Fits: 2004.5 thru 2010 Chevy Silverado/GMC Sierra 2500HD/3500HD LLY/LBZ/LMM Duramax Diesel

Common Rail Fuel Plugs replace failing pressure relief valves on Chevy and GMC Duramax fuel systems. These Fuel Plugs seal in 30,000 psi rail pressure. Easily replaces the stock relief valve.

Features:

• 50-STATE LEGAL!
  
• 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
  

Notes:

• CARB EO No. D-553-20
• Removing the fuel pressure relief valve can cause damage to the fuel system.
  
• SEMA Certification No. SC-BDD01-0083