BNEW WILWOOD GO KART BRAKE CALIPER & PADS FOR 18" ROTORS, SINGLE INLET FOR KARTING, JR. DRAGSTER, ETC, WILWOOD, PART # 120-5498, SOUTHWEST SPEED ReviewbP PP NEW WILWOOD GO KART BRAKE CALIPER & PADS FOR 18" ROTORS, SINGLE INLET FOR KARTING, JR. DRAGSTER, ETC, WILWOOD, PART # 120-5498, SOUTHWEST SPEED PWilwood Karting Brake Caliper (Part #120-5498).PFits 0.125" Thick rotorsPFeatures Two 1.00" PistonsPCommonly used on Go-Karts, Jr. Dragsters, and other small applications. Wilwood's Kart Jr. Dragster Caliper has been designed specifically for racing. A unique self retracting and adjusting piston system(*) has been incorporated into this caliper which enables the piston to retract as the brake line pressure is reduced. The caliper can be mounted on either side of the vehicle.PWeighing a meager 1.2 pounds, the caliper's lightweight billet design includes high performance, high friction brake pads. Additional features include deep cup stainless steel piston for reduced heat transfer, cotter pin, pad retainer, internal fluid passage and blue anodized finish. A specifically designed master cylinder is also available for use with this caliper.