67-70 Ford Mustang Master Cylinder with Black 9" Brake Booster, Proportioning Valve and Automatic Brake Pedal. Kit is designed to bolt up with no modifications. This master cylinder is an original teardrop Ford style with zinc lid. Kit includes 67-70 Mustang booster, Ford master cylinder, gold disc/drum proportioning valve, gold p-valve bracket,stainless lines and automatic brake pedal. (Works with automatic trans. only due to clearance issues with clutch linkage)