A Muscle Car Research Exclusive!
Muscle Car Research is proud to offer a rebuild kit for the D7DZ-2B257-A (marked D7DA-2B328-AB) and D9DZ-2B257-A (marked D9DC-2B328-AA) Ford disk brake combination pressure differential and rear brake pressure control valves made by Kelsey-Hayes and Wagner. Our kit contains all of the parts needed to rebuild your leaky valve and return it to "like new" operating condition, including:
The contents of the kit can be seen in the picture above. All of the rubber parts are molded from a 70 durometer ethylene propylene diene monomer (EPDM) rubber compound that is fully compatible with automobile brake fluid. The spring is made from type 302 stainless steel and features squared and ground ends. All parts are made right here in the USA! Are you unsure if this kit is for you? Original applications include the following Ford and Lincoln/Mercury vehicles equipped with front disk brakes: