Rear Brake Residual Pressure Valve, Made in USA - 10 PSI

USA Made SSBC-USA residual pressure valve for disc brakes, this is a great addition to any disc brake system where the master cylinder is lower than the calipers. Residual pressure valves hold a small amount of pressure in your drums and/or calipers. This keeps the fluid from draining back to the master cylinder and gives you a firm brake pedal.