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									Transmission Slip Yoke and U Joint for 2001-07 Silverado Sierra w/ Allison 1000 
Yoke Specs:
U Joint Specs:
Yoke Specs:
| Series | 1410 | 
| Outside Yoke Dimension (E) In. | 4.438 | 
| Invoice | SLIP YOKE ASSY | 
| Bearing Cap Diameter (D) In. | 1.188 | 
| To End Of Spline (J) In. | 8.340 | 
| Hub Diameter (R) In. | 2.200 | 
| Spline O.D. (STD) | 1.616 | 
| No. Of Splines | 30/31 I | 
| Involute | Y | 
| Style | SR | 
| Counter Bore Diameter | 1.655 | 
| Counter Bore Depth | .270 | 
| Material | Steel | 
U Joint Specs:
| Type | OSR Style | 
| Invoice | U-Joint Kit | 
| OEM Mfg | Spicer | 
| OEM Series | 1410 | 
| Bearing Cap Diameter (1) | 1.188 | 
| Bearing Cap Diameter (2) | 1.188 | 
| SR(1)Brng Cap to Brng Cap(OSR) | 4.188 | 
| SR(2)Brng Cap to Brng Cap(OSR) | 4.188 | 
| VMRS | 024002046 | 
| Bearing Cap Type | Round | 
| Snap Ring Type | External | 
| Snap Ring Included | Y | 
| Grease Fitting Location | Side of Cross | 
| Material | Steel | 
- Brand: Spicer
- Condition: New
- SKU: PLAT-SPICER-KIT400
- Placement on Vehicle: Rear
- Manufacturer Warranty: 1 Year
| Filter the results by: | |||||
|---|---|---|---|---|---|
| Year | Make | Model | Engine | Trim | Notes | 
|---|---|---|---|---|---|
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | WT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LTZ Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LTZ Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 3500 HD | LT Standard Cab Pickup 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | SLE Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | WT Crew Cab Pickup 4-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | Base Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | WT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SL Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2007 | GMC | Sierra 3500 HD | SLE Cab & Chassis 2-Door | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | GMC | Sierra 2500 HD | SLE Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2006 | Chevrolet | Silverado 2500 HD | LS Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2003 | Chevrolet | Silverado 2500 HD | LT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Standard Cab Pickup 2-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | Base Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | GMC | Sierra 2500 HD | WT Crew Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2004 | Chevrolet | Silverado 2500 HD | LS Extended Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2001 | Chevrolet | Silverado 2500 HD | LS Standard Cab Pickup 2-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | Chevrolet | Silverado 2500 HD | LT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SL Crew Cab Pickup 4-Door | 8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2005 | GMC | Sierra 2500 HD | SLE Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2002 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
| 2007 | GMC | Sierra 2500 HD | SLT Extended Cab Pickup 4-Door | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated | With Allison 1000 | 
 
													     
									 
												 
												 
												 
												





