A123-59A W/POL CAL

Front power drum/disc brake conversion kit with 1-piston calipers and 11" rotors. Provides up to 30% more braking power. Direct bolt-on for 1964-1972 GM A, F, and X body front power vehicles. Includes zinc-coated 1-piston cast iron calipers, 11" vented rotors, DOT Flex hoses, steel adapter lines, E-coated caliper mounting brackets, splash shields, dual reservoir cast steel master cylinder, 9” single diaphragm booster and brackets, new forged disc brake standard ride height spindles, adjustable proportioning valve, semi-metallic brake pads (D52), and all necessary hardware. Designed to fit stock rims without modifications.