Mopar A-Body MBM 11" Drilled & Slotted Front Disc Brake Conversion and Booster/Master Cylinder Kit. Kit includes a chrome 8" dual diaphragm booster, master cylinder and proportioning valve with brackets and lines. Wheel kit features 11" drilled and slotted rotors with 5 on 4-1/2" bolt pattern, loaded large calipers, caliper brackets, backing plates, stock height forged steel spindles w/ nuts, lower ball joints, washers, dust caps and seals. Braided stainless brake lines and banjo bolts included. Works with most 14" wheels. This kit is designed for 62-72 A-Body cars. It is best to call before ordering to ensure that we set up the right kit for your application.