A1257-8 W/RD CAL

Converts 1978-1988 GM G-body vehicles from drum to disc brakes. Bolts onto stock axles, offering up to 30% more braking power. Features single-piston cast iron calipers with built-in parking brake, zinc plating, DOT Flex Hoses, axle shims, new hard lines, semi-metallic brake pads (D347), caliper dust seals, stainless steel shim washers, e-coated mounting brackets, stainless steel spacers, and hardware with parking brake cable adapters. Includes two 11.25” diameter heavy-duty vented rotors. Designed for bolt-on installation with clear instructions, re-uses factory parking brake cable. Works with most 15” rims and maintains original look.