1971-74 Mopar, A-body Plymouth- Duster, Valiant, Barracuda, Dodge Dart , Disc brake Valve 1pc For use on 1970-74 A-body Mopar with disc brakes. This is a 5 port valve that mounts on the frame rail directly below the master cylinder. This is an exact reproduction of the original valve the bracket is plated in gold zinc dichromate and this valve has the correct brake warning lead. This is the distribution block that is mounted below the master cylinder which feeds fluid to all four wheels. Check out my other bay listing for more valves.