2 Pound Residual Brake Pressure Check Valve For Master Cylinder Street Hot Rod

This 2 pound valve is used in all drum brake applications to compensate for return spring tension in the drums. Basically, this valve keeps the pressure in the drums at a constant, preventing loss of brake pressure.

This valve is used with any disc brake application where the master cylinder is located under the floor. When the master cylinder is under the floor, it is usually lower than the calipers. Gravity and vibration can cause brake fluid to leak back to the master cylinder away from the calipers, 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 is an inexpensive and necessary addition to your brake system.

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