Rail Fuel Plug Valve

Rail Fuel Plug Valve Features

Pressure relief valve is designed to easily replace a faulty stock relief valve, allowing you to maintain consistent rail pressure—and that makes them especially beneficial to higher horsepower engines! These fuel rail plugs will improve engine starting, and seal in up to 30,000 psi rail pressure to eliminate fuel pressure drops at full revs. The fuel plugs and are great for drivers seeking more power from their diesel.