OER BK2056A Features:

Looking to convert your classic Chevrolet to disc brakes? This conversion set is the answer. Requires minimum of 15" disc brake compatible wheel. Set includes: 11" GM Rotors Multi Pattern Fits 5 x 4.75" with 7/16 Studs or 5 x 4.5" with 1/2 Studs Large GM Calipers w/ Self Adjusting E-Brake (1979 Cadillac El Dorado style) D154 Pads Included Caliper Brackets & Spacers Bracket Hardware Flex Hoses & Clips Emergency Brake Cables 11" GM Rotors Multi Pattern Fits 5 x 4.75" with 7/16 Studs or 5 x 4.5" with 1/2 Studs Large GM Calipers w/ Self Adjusting E-Brake (1979 Cadillac El Dorado style) D154 Pads Included Caliper Brackets & Spacers Bracket Hardware Flex Hoses & Clips Emergency Brake Cables Tech Notes: Maximum diameter of 6.11" to fit rotor hat. Rotor Center = 2-3/4". Rotor Hat Section Inside Diameter = 6-1/8". You will need to modify your axles if they will not fit inside the rotor hat. You will need to modify the rotor if the center hole is too small for your axles. .050x45 Degree Chamfer. 2.786" max register axle. Must use 15" or larger disc brake compatible wheels. When installing rear disc brake kit a disc/disc proportioning valve with a 1-1/8" bore master cylinder will be needed. This kit will push your wheels out an additional.125? per side, longer wheel studs may be required after installation of this kit The emergency brake cables provided in the kit will fit 1955-64 Full Size Chevrolet. The intermediate cable, center pull and cable couplers may not be necessary on 1958?64 cars. Maximum diameter of 6.11" to fit rotor hat. Rotor Center = 2-3/4". Rotor Hat Section Inside Diameter = 6-1/8". You will need to modify your axles if they will not fit inside the rotor hat. You will need to modify the rotor if the center hole is too small for your axles. .050x45 Degree Chamfer. 2.786" max register axle. Must use 15" or larger disc brake compatible wheels. When installing rear disc brake kit a disc/disc proportioning valve with a 1-1/8" bore master cylinder will be needed. This kit will push your wheels out an additional.125? per side, longer wheel studs may be required after installation of this kit The emergency brake cables provided in the kit will fit 1955-64 Full Size Chevrolet. The intermediate cable, center pull and cable couplers may not be necessary on 1958?64 cars.