DESCRIPTION --It is a 10-pound residual pressure valve. --The valve is used with any drum brake application where the master cylinder is located under the floor. --Input Threads: 3/8"-24 --Output Threads: 3/16" compression fitting. --When the master cylinder is under the floor, it is usually lower than the drums. --Gravity and vibration can cause brake fluid to leak back to the master cylinder away from the drums, causing a loss of brake pressure. --This valve will act as a one-way check valve that prevents this type of bleed-back. --Without it, there is a good chance that the brakes will drag or give out completely! --This valve also helps keep brake pressure constant in the drums. --The 10-pound valve will keep brake pressure in the drums at all times, giving a better response when you h.
