Product Description
Go big on fuel with the Exergy E01 10154 Reman 250% Over Injector Set for the 2001–2004 GM Duramax 6.6L LB7. These Exergy Performance injectors are professionally remanufactured, calibrated, and balanced for serious race/competition builds where maximum fuel delivery is required.
Key Benefits
- Massive 250% over flow for high-horsepower applications
- Remanufactured, calibrated, and flow-verified by Exergy Performance
- Balanced for smooth operation and cylinder-to-cylinder consistency
- Built for competition: pair with an upgraded CP3 and proper tuning
Fitment
- Make/Model: Chevrolet Silverado 2500HD/3500HD; GMC Sierra 2500HD/3500HD
- Engine: Duramax 6.6L LB7
- Years: 2001, 2002, 2003, 2004
What’s Included
- (8) Exergy E01 10154 Reman 250% Over Injectors (LB7)
- Test data/flow sheet (where provided by Exergy)
- Basic install guidance
Recommended Supporting Parts
These injectors demand strong supply and high-pressure capability. We recommend the following complementary parts:
- Exergy E04 10105 Sportsman CP3 (LB7)
- Lift Pumps (AirDog / FASS) – stabilize supply pressure & filtration
- Injector Install Gaskets & Seals
- Shop All Exergy Performance
Choosing the Right Exergy LB7 Injectors
Need a different flow level? Stick with Exergy-brand LB7 options:
Install Notes
- Professional installation required. Follow proper torque sequence and cleanliness standards.
- Prime/bleed the fuel system thoroughly after install. Contamination will void warranty.
- Tuning required for 250% over injectors. Ensure air system (turbo/intercooler) supports the target power.
- Use a quality lift pump and adequate filtration for pump/injector longevity.
Frequently Asked Questions
Q: Are these injectors street-legal?
A: 250% over injectors are intended for race/competition/off-road use only.
Q: What CP3 should I pair with these?
A: At minimum, an upgraded CP3 such as the Exergy E04 10105 Sportsman CP3. Higher-power builds may require additional high-pressure fuel upgrades.
Q: Do these include nozzles?
A: Yes—these are complete reman injectors from Exergy with the specified 250% over flow.
Q: Is there a core charge?
A: Many reman injector sets carry a refundable core. If applicable, details will show in product options or at checkout.
Q: Warranty?
A: Covered by Exergy’s manufacturer warranty. Keep proof of purchase and adhere to proper installation/filtration practices.
About Exergy Performance
Exergy is a leader in precision diesel fuel system components for Duramax platforms and more. Explore the lineup: Exergy Performance at CPP Diesel.
