Product Description
Make serious power with Exergy’s 100% Over Injectors for the LB7. The Exergy E01 10108 Reman 100% Over Injector Set is precision-calibrated and balanced for high-flow performance while maintaining Exergy’s renowned consistency and drivability.
Key Benefits
- 100% over stock flow—ideal for high-horsepower street/strip builds
- Remanufactured on OE-grade equipment; each set is balanced and flow-matched
- Excellent atomization with supported tuning for clean, efficient power
- Backed by Exergy’s quality control and test documentation
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 10108 Reman 100% Over Injectors (LB7)
- Flow data and balance documentation (when provided by Exergy)
Recommended Supporting Parts (Exergy brand where applicable)
- Exergy Sportsman CP3 – LB7 (E04 10105)
- Lift Pump (AirDog / FASS) – stabilize supply pressure & filtration
- Injector Install Gaskets & Seals
- Shop All Exergy Performance
Tuning & Power Notes
- Tuning required. 100% over injectors demand proper ECM calibration to control smoke, EGTs, and rail pressure.
- Best when paired with a healthy CP3 (see Exergy CP3 above), quality lift pump, adequate air system, and appropriate turbo/exhaust.
Install Notes
- Professional installation recommended; verify return rates and rail pressure after install.
- Use new seals and torque fasteners to spec. Thoroughly clean all fuel lines and rails.
- Fuel contamination is the #1 cause of injector failure—run quality filtration and clean fuel.
Frequently Asked Questions
Q: Do I need tuning with 100% over injectors?
A: Yes. Custom tuning is required for drivability, emissions considerations, and to manage smoke and EGTs.
Q: What CP3 works with these?
A: At minimum, an Exergy Sportsman CP3 is recommended. See: Exergy E04 10105 Sportsman CP3.
Q: Should I add a lift pump?
A: Yes. A quality lift pump improves filtration, supply pressure, and injector/CP3 longevity: Lift Pump Options.
Q: Is there a core charge?
A: Many reman injectors include a refundable core. If applicable, details appear in the product options or at checkout.
Q: Warranty?
A: Covered by Exergy’s manufacturer warranty. Keep proof of purchase and follow proper install and filtration practices.
About Exergy Performance
Exergy is a leader in precision diesel fuel system components, offering rigorously tested injectors, pumps, and accessories for the Duramax platform. Explore the full lineup here: Exergy Performance at CPP Diesel.
