Dodge/Plymouth A, B & E Body Chrome 8 inch Booster with Master Cylinder and Proportioning Valve. Master cylinder is a Corvette style and designed for use with disc/disc or disc/drum brakes. Booster is an 8 inch dual diaphragm which offers better stopping than single diaphragm boosters and holds more vacuum than 7 inch boosters. Kit also includes proportioning valve which will be your choice of disc/disc or disc/drum. The base kit includes standard chrome master cylinder pictured with booster. Upgraded master cylinders (smooth top or ball-milled) are available. Optional master cylinders are pictured separately. Kit comes with chrome brackets, adjustable connecting rod, proportioning valve bracket and chrome brake lines. This complete kit is designed to bolt up to all 65-70 A-Body and 65-74 B and E-Body Dodge and Plymouth cars.