Common Rail Fuel Plugs replace failing pressure relief valves on Dodge
Cummins and Chevy Duramax fuel systems. These Fuel Plugs seal in 30,000 psi
rail pressure and improves engine starting. Easily replaces the stock relief
valve and is a must for high performance engines.

Replace failing pressure relief valves
Seals in 30,000 psi rail pressure
Improves engine starting
Easily replaces the stock relief valve
A must for high performance engines