Dynalite-GT front brake kits with Spec37 alloy GT-72 rotors and new formula BP-20 Smart Pads deliver rotor and driver friendly driving on the street, with extended duty range for auto-cross and on-track driving events. Kit Features: Engineered for dual-purpose street and track applications equipped with 15" wheels and fully compatible with the OE hydraulics and ABS controls. Direct bolt-on installation to the OE hubs and spindles. Forged aluminum Dynalite calipers with stainless steel pistons and internal seals. Spec 37 alloy 11" GT series 72 vane competition series rotors. Two-piece rotor mounting with weight saving aluminum hats. Choice of black anodized or red powder coated calipers.