High performance Yukon Ring & Pinion gear set for GM 8.5" & 8.6" in a 4.56 ratio

Yukon Ring and Pinion sets give you the confidence of knowing youÆre running gears designed for the harshest of conditions. Whether itÆs on the street, off-road, or at the track; Yukon ring and pinion sets deliver unrivaled performance and quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up.

Fits GM 8.5" and 8.6"
8.50" ring gear diameter
30 spline pinion
10 ring gear bolts
4.56 ratio

1 year warranty against Manufacturer defects

Compatible with Differentials:

• GM 8.5" Front - 28 Spline
• GM 8.5" Front - 30 Spline
• GM 8.5" Rear - 28 Spline
• GM 8.5" Rear - 30 Spline
• GM 8.6" Rear, '09 & up
• GM 8.6" Rear, '99-'08