Engineered specifically for 2004.5 through 2010 Chevrolet Silverado and GMC Sierra 2500HD/3500 trucks powered by the 6.6L Duramax V8 turbo diesel engine (LLY, LBZ, and LMM codes), the PPE Ported Fuel Rail Fitting (Part # 113071000) replaces the restrictive factory stock fuel inlet fitting. Under heavy throttle and high-performance tuning, the restrictive factory fitting creates a bottleneck that limits fuel volume delivery from the CP3 pump to the common rail, causing a drop in rail pressure.

The PPE ported fitting features increased internal flow dimensions, allowing maximum fuel volume transfer to support efficient, clean horsepower and prevent power-robbing rail pressure drops. CNC-machined from durable stainless steel to withstand extreme common-rail pressures, this upgrade installs directly into the factory fuel rail with zero core charge.

Key Features & Benefits

• Increases Fuel Flow Volume: Enlarged internal port design eliminates factory restrictions, supplying continuous high-pressure fuel from the CP3 pump.
• Maintains Rail Pressure: Prevents fuel pressure drops during heavy towing, aggressive acceleration, and custom ECM tuning.
• Durable Stainless Steel Construction: Precision CNC-machined from high-strength stainless steel to handle extreme common-rail operating pressures safely.
• Direct Factory Replacement: Threads securely into the stock fuel rail location using standard factory hard lines.
• Zero Core Charge: Brand-new outright performance upgrade requiring no core deposit or core return shipping.

Technical Specifications

• Manufacturer / Brand: Pacific Performance Engineering (PPE)
• Manufacturer Part Number / SKU: 113071000
• Product Type: High-Pressure Ported Fuel Rail Fitting / Adapter
• Material Composition: High-Strength Stainless Steel
• Truck Platform: 2004.5–2010 GM 2500HD / 3500 Silverado & Sierra
• Engine Platform: 6.6L Duramax V8 Turbo Diesel (LLY, LBZ, and LMM Codes)
• Core Requirement: None
• Warranty: PPE Limited Lifetime Warranty

Vehicle Fitment & Technical Installation Notes

• 2004.5–2005 GM 2500HD / 3500 Duramax 6.6L (LLY)
• 2006–2007 GM 2500HD / 3500 Duramax 6.6L (LBZ Classic)
• 2007.5–2010 GM 2500HD / 3500 Duramax 6.6L (LMM)
• Fits Model Years: 2004.5, 2005, 2006, 2007, 2008, 2009, 2010
• Installation Tip: Relieve all fuel system pressure completely before loosening any high-relative fuel lines. Thoroughly clean the surrounding area on the fuel rail to prevent dirt contamination. Remove the factory fitting carefully and install the PPE 113071000 fitting with clean diesel fuel or recommended thread sealant on the threads, torquing precisely to factory specifications.