Product Description
Feed your LMM the fuel it needs with the Exergy E01 10407 Reman 60% Over Injector Set. Calibrated, balanced, and flow-verified, these Exergy Performance injectors deliver ~60% more fuel than stock while maintaining precise control for strong street performance, towing with headroom, or entry-level competition use.
Key Benefits
- Approximately 60% over stock fuel delivery for significant power potential
- Individually flow balanced for smooth idle and clean smoke control
- Remanufactured on OE cores with Exergy nozzles and QC processes
- Matched set (8) to keep balance rates tight across all cylinders
Fitment
- Make/Model: Chevrolet Silverado 2500HD/3500HD; GMC Sierra 2500HD/3500HD
- Engine: Duramax 6.6L LMM
- Years: 2007.5, 2008, 2009, 2010 (mid-2007 LMM introduction)
What’s Included
- (8) Exergy E01 10407 Reman 60% Over Injectors (matched set)
- Flow/Balance documentation from Exergy (when provided by manufacturer)
- Basic installation guidance
Recommended Supporting Parts
Support the added fuel with proper supply pressure and sealing hardware. We keep it Exergy-focused for injector-related parts:
- Shop All Exergy Performance (brand collection)
- Lift Pumps (AirDog / FASS) — helps maintain supply pressure and filtration
- Injector Install Seals, Gaskets & Hardware
- Exergy CP3 Pumps & Fuel System Upgrades — pair with a calibrated CP3 when chasing higher power
Install Notes
- Professional installation recommended. Always replace sealing washers and torque to spec.
- Tuning is required to realize full benefit of 60% over injectors; stock calibrations will be sub-optimal.
- Use high-quality filtration and clean fuel; contamination is the leading cause of injector failure.
- Core charge may apply; return usable OE cores promptly per instructions.
Frequently Asked Questions
Q: Do these require tuning?
A: Yes. 60% over injectors need proper ECU calibration to control fueling, smoke, and EGTs.
Q: Can I run these on a stock CP3?
A: You can for light use, but to exploit their potential, a healthy CP3 (preferably an Exergy unit) and a quality lift pump are recommended.
Q: Will my balance rates stay smooth?
A: Exergy matches and balances each set to maintain smooth idle and drivability when installed on a healthy engine.
Q: Are these street legal?
A: High-flow injectors are intended for off-road/competition use where applicable. Check local and state regulations.
Q: What’s the warranty?
A: Covered by Exergy’s manufacturer warranty. Keep proof of purchase and follow install/filtration best practices.
About Exergy Performance
Exergy is a leader in precision diesel fuel system engineering for Duramax, Cummins, and Power Stroke platforms. Explore more Exergy components for your build here: Exergy Performance at CPP Diesel.
