This kit is exclusively for Scott Drake Heavy Duty Performance Spindles. Converting your front drum brakes to reliable and more powerful disc brakes just got easier with the introduction of this new premium conversion kit from Scott Drake. This complete bolt-on system includes everything needed to upgrade your front brakes as well as front wheel bearings. There is no cutting, drilling or welding required. Each kit consists of all new components with premium features like zinc plated factory style 4 piston calipers loaded with stainless steel pistons, drilled and slotted rotors, a dual reservoir master cylinder, stainless steel brake lines, adjustable proportioning valve and all necessary mounting hardware. This is a manual kit that does not include a brake booster. Get dependable performance and keep the factory look with a Scott Drake disc brake conversion kit. Note: Does not fit original spindles. Minimum wheel size: 14" x 7".