Allstar Performance Residual Check Valve - 10 lb. 33009P For added protection against engine

For added protection against engine and exhaust heat

Includes pack mounting plate

Internet updateable with all-new update software via USB

Looking for increased visibility

Allstar Performance Residual Check Valve - 10 lb. 33009P For added protection against engineResidual check valves hold a small amount of pressure in the brake system to keep the brake system functioning properly while helping to maintain a firm pedal. Maintaining system pressure prevents fluid from returning to the master cylinder when the master cylinder is positioned lower than or close to the same height as the calipers or wheel cylinders. Proper system pressure also keeps piston and wheel cylinder seals expanded, creating a positive seal