Aerospace Components Residual Pressure Valves

Aerospace Components Residual Pressure Valves maintain a preset amount of pressure in the brake system. They are typicaly used for preventing excessive amounts of fluid from returning to the master cylinder, and keeping drum brake shoes in their proper operating position. Use whenever the master cylinder is mounted level or below the brake calipers. Each valve is fitted with 1/8 NPT Female ports. Made in the U.S.A.