The rear rotor hat is designed to convert any rear drum brake car to disc brakes. The hat uses high quality steel and is designed to be used with 5 on 4.5" or 5 on 4.75" bolt patterns. The rotor is 11.5" in diameter and has straight vane for cooling and strength. These rotors are also available in a complete conversion kit. (See part number 7250-0100)
