Product Description
Feed your LBZ the fuel it needs. The EXERGY E04 10307 12mm Stroker CP3 Pump is an LBZ-based, high-output pump engineered and calibrated by Exergy Performance to deliver increased fuel volume with OE-like drivability. Ideal for tuned street trucks and performance builds that demand stable rail pressure.
Key Benefits
- 12mm stroker CP3 (LBZ-based) for significantly higher fuel delivery vs. stock
- Exergy-calibrated and flow-verified for consistency and reliability
- Maintains smooth idle and throttle response when paired with proper tuning
- Direct-fit design using OEM-style lines, brackets, and drive
Fitment
- Make/Model: Chevrolet Silverado 2500HD/3500HD; GMC Sierra 2500HD/3500HD
- Engine: Duramax 6.6L LBZ
- Years: 2006, 2007
What’s Included
- Exergy E04 10307 12mm Stroker CP3 Pump (LBZ-based)
- Calibration sheet (as provided by Exergy) and basic install guidance
Recommended Supporting Parts
Protect the pump and stabilize supply pressure—pair with a quality lift pump and Exergy-brand injectors matched to your power goals:
- GM Duramax Lift Pumps (Category)
- Fleece PowerFlo In-Tank Lift Pump (LLY/LBZ)
- Exergy LBZ Injector Sets (choose flow level):
- CP3 Lines, Fittings & Couplers (Duramax)
- Gaskets & Seals (Duramax)
- Shop All Exergy Performance
Install Notes
- Lift pump recommended. Maintain 8–10 psi supply under load for best rail stability.
- Tuning required to fully utilize increased pump volume, especially with larger injectors/turbo.
- Prime/bleed the system after install; use clean fuel and quality filtration.
Frequently Asked Questions
Q: Will this pump work on a stock tune?
A: It will run, but to take advantage of the 12mm stroker output, custom tuning is recommended.
Q: Do I need a lift pump with a stroker CP3?
A: Yes, strongly recommended to maintain consistent supply pressure and protect the CP3. See our Duramax lift pump category.
Q: Does it reuse factory lines and brackets?
A: Yes, it’s LBZ-based and designed as a direct bolt-in with OEM-style connections.
Q: Warranty?
A: Covered by Exergy’s manufacturer warranty. Keep proof of purchase and follow proper install/filtration practices.
About Exergy Performance
Exergy is a leader in precision diesel fuel system components. Explore the full lineup here: Exergy Performance at CPP Diesel.
