Engineered specifically for high-performance street and towing 2001 through 2010 Chevrolet Silverado and GMC Sierra 2500HD/3500 trucks powered by the 6.6L Duramax V8 turbo diesel engine (LB7, LLY, LBZ, and LMM platforms), the Fleece Performance PowerFlo 750 10mm Stroker CP3 Pump (Part # FPE-DMAX-CP3-10MM) provides a dependable, direct-fit solution to eliminate the factory fuel flow drop-off that occurs past 3,000 RPM.

Built upon brand-new Bosch CP3 bases and upgraded with precision 10mm internal stroker mechanics, the PowerFlo 750 maintains commanded fuel rail pressure smoothly through the entire RPM band. Fully tested on in-house engine simulators and pump stands, this outright performance pump requires no core deposit or core return.

Key Features & Benefits

• Supports up to 750 RWHP: Engineered to deliver the precise volumetric fuel flow required for high-output custom tuning and performance upgrades.
• Eliminates High-RPM Restrictions: Prevents the severe fuel flow and rail pressure crash experienced by stock pumps above 3,000 RPM.
• Brand-New Bosch Construction: Built using brand-new components to guarantee maximum structural reliability and cleanliness.
• Rigorously Bench Tested: Each pump is fully validated on professional test stands to ensure immediate out-of-the-box performance.
• Zero Core Charge: Outright performance pump requiring no core deposit or core return shipping.

Technical Specifications

• Manufacturer / Brand: Fleece Performance Engineering
• Manufacturer Part Number / SKU: FPE-DMAX-CP3-10MM
• Product Type: High-Pressure Common Rail 10mm Stroker CP3 Injection Pump
• Performance Rating: Proven up to 750 Wheel Horsepower (RWHP)
• Truck Compatibility: 2001–2010 GM 2500HD / 3500 Silverado & Sierra
• Engine Platform: 6.6L Duramax V8 Turbo Diesel (LB7, LLY, LBZ, and LMM)
• Core Requirement: None
• Warranty: Fleece Performance Limited Warranty

Vehicle Fitment & Technical Installation Notes

• 2001–2004 GM 2500HD / 3500 Duramax 6.6L (LB7 – requires fuel pressure regulator scaling / custom tuning)
• 2004.5–2005 GM 2500HD / 3500 Duramax 6.6L (LLY – requires fuel pressure regulator scaling / custom tuning)
• 2006–2007 GM 2500HD / 3500 Duramax 6.6L (LBZ Classic)
• 2007.5–2010 GM 2500HD / 3500 Duramax 6.6L (LMM)
• Installation Tip: Ensure the fuel system is thoroughly flushed and free of contamination. Pair with an upgraded 150+ GPH lift pump system to supply adequate inlet feed volume to the 10mm plungers.