Product Description
Make reliable power with the EXERGY E01 10408 Reman 100% Over Injector Set for LMM. Precision-calibrated and flow-matched by Exergy Performance, these 100% over injectors deliver the fuel volume your 2007.5–2010 GM Duramax 6.6L LMM needs for serious street/strip builds while maintaining clean idle and drivability when paired with proper tuning and supply.
Key Benefits
- Remanufactured on OE bodies; balanced, flow-matched, and documented by Exergy
- +100% flow over stock for significant horsepower potential
- Excellent atomization and controllability with the right CP3 and lift pump support
- Built for performance towing, street, and competition applications
Fitment
- Make/Model: Chevrolet Silverado 2500HD/3500HD; GMC Sierra 2500HD/3500HD
- Engine: 6.6L Duramax LMM
- Years: 2007.5, 2008, 2009, 2010
What’s Included
- (8) Exergy Reman 100% Over Injectors – LMM (E01 10408)
- Flow/Balance documentation from Exergy
- Basic installation guidance
Recommended Supporting Parts
Match fueling and protect your investment with these proven pairs:
- GM Duramax Lift Pumps (AirDog / FASS) – stabilize supply pressure and filtration.
- Exergy CP3 Upgrades for LMM:
- Other Exergy LMM Injector Options (for different power goals):
- Duramax Gaskets & Seals – injector seal kits, upper/lower gasket sets, and more.
- Shop All Exergy at CPP Diesel
Install Notes
- Professional installation and ECU calibration/tuning required for +100% injectors.
- Use a quality lift pump and high-capacity filtration; contamination is the #1 injector failure cause.
- Confirm CP3 capacity matches injector size and power goals.
Frequently Asked Questions
Q: Do these fit my LMM without custom lines?
A: Yes—these are direct LMM replacements. Always replace sealing washers and torque to spec.
Q: What CP3 should I pair with 100% over injectors?
A: At minimum a high-output/10mm stroker CP3; 12mm+ recommended for aggressive builds. See the Exergy LMM CP3 options above.
Q: Is tuning required?
A: Yes. Proper calibration is mandatory for drivability, EGT control, and reliability.
Q: Is there a core charge?
A: Many reman injectors require a refundable core. If applicable, core details appear in product options or at checkout.
Q: Warranty?
A: Covered by Exergy’s manufacturer warranty; retain proof of purchase and follow fuel quality/filtration best practices.
About Exergy Performance
Exergy is a leader in precision diesel fuel system components. Browse more Exergy parts here: Exergy Performance at CPP Diesel.
