NEW WILWOOD GO KART BRAKE CALIPER & PADS FOR 1/8" ROTORS, SINGLE INLET FOR KARTING, JR. DRAGSTER, ETC, WILWOOD, PART # 120-5498, SOUTHWEST SPEED Reviewhttp://tinyurl.com/pjznhoo NEW WILWOOD GO KART BRAKE CALIPER & PADS FOR 1/8" ROTORS, SINGLE INLET FOR KARTING, JR. DRAGSTER, ETC, WILWOOD, PART # 120-5498, SOUTHWEST SPEED Wilwood Karting Brake Caliper (Part #120-5498).Fits 0.125" Thick rotorsFeatures Two 1.00" PistonsCommonly 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.Weighing 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.