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

• 1 Hour

• 12-Months
• 12,000 Miles

• Removing the fuel pressure relief valve can cause damage to the fuel system.