D2ZA-2B328-AA Disc brake distribution block for 1970 through 1973 Cougar and Mustang with factory disc brakes. Mounts to the driver side fender apron with two nuts. Bare block without brake switch. Plan on testing and or rebuilding before installation. Rebuild kits available.
Ford casting # D0OA-2B328.
*NOTE* Starting in 1970 there was a built in proportioning valve.
**NOTE** Sometime during the 1972 model year there was a change from the D0OA-2B328-D casting number distribution block.
Here’s a video to help you rebuild the distribution block so that you can corral your Cat or Pony without fearing for your life.