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Proportioning Valves StopTech

The True Story of a Misunderstood, Misused and Misnamed Brake System Component True proportioning, as shown in Figure B, would result in rear brake . point (the point at which the rear brake line pressure begins to be controlled), but 

Proportioning Valves and Other Brake Blocks YouTube

Jul 8, 2015 Outline of brake valves found on 50s, 60s, 70s and 80s vehicles and what they do. This includes prop valves, distribution blocks, combination 

Dorman 905930 Brake Proportioning Valve Automotive

Buy Dorman 905930 Brake Proportioning Valve Proportioning Valves ✓ FREE Replacement restores the braking system to proper operation.