- These PV4 combination-proportioning valves are based on the popular AC DELCO 172-1361(disc-disc) valves.
- This PV4 proportioning valve great fit for your classic truck.They will work on nearly all vehicles that have disc brakes in the front and disc brakes in the rear.
- The perfect compliment to your disc/disc brake setup. This proportioning valve (also known as a combination valve) helps proportion the amount of pressure sent to the front and rear brakes, helping prevent rear lock-up.
- Please note that this valve has (2) 3/8-24″ ports for the front left and right calipers and (1) 9/16-18″ port for the rear brakes.
- The connections from the Master Cylinder are 1/2″-20 and 7/16″-24.