1967 - 1973 GM Brass Brake Pressure Differential Valve Rebuild Kit


A Muscle Car Research Exclusive!

Muscle Car Research is proud to offer a rebuild kit for the brass pressure differential switch used on several different 1967 - 1973 GM vehicles. Our kit contains all of the o-ring seals, springs, and brass tube seats needed to rebuild your leaky valve and return it to "like new" operating condition. If your valve looks like the one pictured below this is the kit for you:

The o-rings are molded from a 70 durometer ethylene propylene diene monomer (EPDM) rubber compound that is fully compatible with automobile brake fluid. The springs are made from type 302 stainless steel and feature squared and ground ends. All parts are made right here in the USA!

Original applications include the following vehicles:

  • 1969 - 1973 Chevrolet Corvette
  • 1967 - 1972 GM A-body (Buick Skylark, Special, and X, Chevrolet Chevelle and Malibu, Oldsmobile Cutlass and 442, and Pontiac Le Mans and GTO
  • 1970 Chevrolet Bel Air, Biscayne, Caprice, and Impala

Be sure to check out our brake valve brass seat puller tool that you can use when rebuilding your valve.

Complete rebuild instructions can be found on the Muscle Car Research web site. Dealer inquiries are welcome - please contact us for pricing.