This superior quality rotor is made of the finest materials around Featuring 420 stainless steel construction with a chrome plated carrier, each rotor (measuring 11-1/4" diameter) is assembled with spring-loaded retainers to ensure rattle free operation Full floating rotors self align to provide maximum contact area and cooler running temperatures Stock rotor bolts or 240-802 only, should be used with this rotor Replaces OEM 44136-00 & 44156-00