K-Tech drilled brake rotor stainless steel 8.5"

Front left. Rotor with black anodized, 7075 billet aluminum center carrier. The outer band is made of high quality stainless steel. Mounting hole diameter 5/16". Center hole 56.3 mm inside diameter. Note: this brake rotor is designed for custom applications. It will not provide the brake efficiency of a stock 11 1/2" diameter brake rotor. All K-Tech 8 1/2" rotors are designed to work with K-Tech 2 and 4-piston calipers or PM 2-p calipers only.