Allstar Performance Residual Check Valve - 10 lb. 33009P this coupling is 54 percent

this coupling is 54 percent lighter than the traditional 3

A durable cushioned interior wicks away moisture

and exceptional clarity for the ultimate in visual acuity

Includes pack mounting plate

Allstar Performance Residual Check Valve - 10 lb. 33009P this coupling is 54 percentResidual 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