SSBC A187-1 Quick Change Aluminum Tri-Power 3-Piston Front Caliper Upgrade Kit for '99+ GM 1/2T Truck Must be used with stock size rotors Calipers come with clear anodize finish Includes high performance pads Includes Tri-Power 3-piston calipers Will not fit HD (8 lug) vehicles and will only fit vehicles originally equipped with rear disc