A1255-40 W/BK CAL

This kit converts 1968-1981 GM F- and X-body vehicles with 10/12 bolt rear ends from drum to disc brakes. It offers up to 30% more braking power with a factory look. Features zinc-coated single-piston cast iron calipers with chrome steel pistons and built-in internal parking brakes. Adapters allow reuse of factory parking brake cables. Stainless steel shim washers align the caliper. The kit includes DOT Flex hoses, new hard lines, caliper dust boots, e-coated mounting brackets, stainless steel spacers, and all necessary hardware for bolt-on installation. 10.5-inch diameter vented rotors are included.