Speedway 1955-64 Full-Size Chevy Rear Disc Brake Conversion Kit

Complete Rear Disc Brake Conversion Kit Includes: 11" GM Rotors Multi Pattern. Fits 5x4.75" w/ 7/16 Studs & 5x4.5" w/ 1/2 Studs. Large GM Calipers w/ Self Adjusting E-Brake (1979 Cadillac El Dorado) D54 Pads Included. Caliper Brackets & Spacers. Bracket Hardware. Flex Hoses & Clips. Emergency Brake Cables. Tech Notes: Does not fit S-10 Chassis or truck frames. 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 and 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. Does not fit 14" rims, must use 15" or larger. 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. *Note: The emergency brake cables provided in the kit will fit 55 - 64 Full Size Chevrolet. Any other application will require the customer to modify the included cables to work with their application. The intermediate cable, center pull and cable couplers may not be necessary on 58 – 64 cars.