Universal Under Dash Aluminum Master Cylinder and 7" Black Booster with Proportioning Valve. This kit is designed to make installing a brake pedal easy in you custom application. Pedal features five mounting adjustments and includes an extension rod that can be trimmed to length. Master cylinder is an aluminum Corvette style with chrome top and is designed for use with disc/disc or disc/drum brakes. Booster is black 7 inch dual diaphragm which offers better stopping than single diaphragm boosters. Kit also includes proportioning valve with mounting bracket and stainless brake lines. (Also available with 8 inch booster)