2004.5-2010 Duramax (LLY/LBZ/LMM) Ported Rail Fitting - PPE

PPE’s Ported Fuel Rail Fitting replaces the restrictive stock fitting and helps maintain fuel rail pressure during heavy engine load situations.

This high-quality stainless steel fitting increases the available fuel flow volume from the CP3 pump to the fuel rail. Adequate fuel flow is vital to producing maximum efficient/clean horsepower.

These fittings benefit both fuel rails since the driver-side fuel rail feeds the passenger side.