Superlite 4R four piston radial mount rear caliper kits add big brake stopping power and style to any 1997-2013 C5 or C6 Corvette rear suspension. These caliper kits mount in the stock location and replace the OE calipers on all models that have been updated with 13.00” rotors from the 2005-09 C6 Z51 models. Superlite 4R calipers incorporate race proven technology in a high strength, center bridge reinforced forged body design. They provide positive and confident pedal response that is matched to the OE master cylinder output and fully compatible with the ABS system. BP-20 dual-sport compound Smart Pads provide clean and quiet driving on the street, with improved friction and high temperature fade resistance for auto-cross and other sport driving applications.