Brothers Trucks Proportioning Valve-Brass-Disc/Disc

This is the proportioning valve for the dual master cylinder conversion for front and rear disc brakes. This proportioning valve kit includes the mounting bracket that fits under the master cylinder and two tubes to attach to the dual reservoir master cylinder (available separately). The mounting bracket is steel with zinc plating, and the proportioning valve is made of brass. Built in residual pressure valve for improved brake feel.