Universal Under Dash Pedal Assembly with Polished Wilwood Master Cylinder, Chrome 8" Booster and 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 a polished Wilwood with machined black anodized top and is designed for use with disc/disc or disc/drum brakes. Booster is chrome 8 inch dual diaphragm which offers better stopping than single diaphragm boosters. Kit also includes Wilwood adjustable proportioning valve with mounting bracket and stainless brake lines.