Product Description: Black Adjustable Brake Proportioning Valve and Distribution Block with Brake Fittings This is a new aluminum black adjustable proportioning valve comes with fittings and brake light switch wires. Features a rotary adjustment to adjust rear brake pressure and helps maintain proper braking balance between the front and rear wheels. The distribution block connects to the master cylinder and distributes brake fluid to all four wheels. Product Details: Stainless steel fittings designed for 3/16″ brake line. Brake light switch wires, flexible wires (2) 3/8″-24 female inverted thread inlets. (3) 3/8″-24 female inverted thread outlets All fittings are 3/16″ for a direct fit on the disc/drum for most mounting brackets Internally valved to maintain proper pressure Package Includes: 1 * Proportioning Valve without Instruction Manual