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A-Team Performance 2 Pound Residual Brake Pressure Check Valve ABS Street Hot Rod Blue for Drum Brake Applications
This is a 2-pound blue residual pressure valve. This valve is used with any drum 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 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.
This valve also helps keep brake pressure constant in the drums. The 2-pound valve will keep brake pressure in the drums at all times, giving a better response when you hit your brakes. This valve is a cost-effective and necessary addition to your brake system.