1971-72 & 1973-77 , , 1/2 ton, 3/4 ton, Disc / Drum prop valve. This is the disc brake valve that is mounted on the front crossover on the frame. This is the only valve on the market with the correct wire lead so you will not have to splice any wires. Dont settle for used parts when comes to your brakes. This is exact Inline Tube Reproduction. Please my other exclusive auctions.