Product Description
Feed big power the right way on your LB7 with the Exergy E04 10107 12mm Stroker CP3. Built on proven LBZ-based architecture and precision-calibrated by Exergy Performance, this high-output CP3 is engineered for serious builds that demand stable rail pressure and OE-like drivability.
Key Benefits
- 12mm stroker cam increases displacement for substantially higher fuel volume
- LBZ-based CP3 design for durability and smooth fueling characteristics
- Exergy flow-verified and calibrated for consistency and repeatability
- Supports four-figure power builds with proper air, fuel, and tuning
Fitment
- Make/Model: Chevrolet Silverado 2500HD/3500HD; GMC Sierra 2500HD/3500HD
- Engine: Duramax 6.6L LB7
- Years: 2001, 2002, 2003, 2004
- Direct bolt-in using factory lines and mounting points
What’s Included
- Exergy E04 10107 12mm Stroker CP3 Pump (LBZ-based)
- Unit calibrated and flow-verified by Exergy Performance
- Basic installation guidance
Recommended Supporting Parts
For best results and pump longevity, pair with a quality lift pump and Exergy-brand LB7 injectors matched to your goals:
- GM Duramax Lift Pumps (AirDog / FASS)
- Exergy LB7 Injector Sets:
- Shop All Exergy Performance
- Duramax Gaskets & Seals
Install Notes
- Professional installation recommended. Thoroughly prime/bleed the fuel system after install.
- Lift pump required for adequate supply and filtration on high-flow CP3s.
- Tuning strongly recommended to optimize idle quality, rail pressure control, and drivability.
- Use clean fuel and high-quality filtration; contamination is the #1 cause of pump failure.
Frequently Asked Questions
Q: How much power will a 12mm CP3 support?
A: With proper injectors, air system, and tuning, 12mm pumps can support four-figure power builds while retaining street manners.
Q: Do I need a lift pump with this 12mm CP3?
A: Yes—consistent supply pressure and added filtration are critical. See our Duramax lift pumps.
Q: Which injectors pair best?
A: For street/tow, start with Exergy Sportsman or SAC 45% Over. Competition builds often use 100–250% overs. See the Exergy LB7 injector options listed above.
Q: Is there a core charge?
A: Many CP3s carry a refundable core. If applicable, details will appear in product options or at checkout.
Q: Warranty & emissions?
A: Covered under Exergy’s manufacturer warranty. Check local regulations—high-flow fuel system parts may be intended for off-road/competition use where permitted.
About Exergy Performance
Exergy is a leader in precision diesel fuel system components for Duramax platforms and more. Explore the full lineup here: Exergy Performance at CPP Diesel.
