Product Description
Build serious power on your LB7 with the Exergy E01 10107 Reman 60% Over Injector Set. Precision-calibrated and flow-balanced by Exergy Performance, these remanufactured injectors deliver ~60% more fuel versus stock—ideal for well-supported street/strip or towing builds that require controlled, repeatable fueling and reliable drivability when paired with proper tuning.
Key Benefits
- ≈60% over stock flow for significant power potential
- Matched and flow-balanced set for smooth idle and clean balance rates
- Exergy-calibrated for consistency and repeatability
- Remanufactured to stringent tolerances for durability
Fitment
- Make/Model: Chevrolet Silverado 2500HD/3500HD; GMC Sierra 2500HD/3500HD
- Engine: 6.6L Duramax LB7
- Years: 2001, 2002, 2003, 2004
What’s Included
- (8) Exergy Reman 60% Over Injectors (LB7)
- Each set is flow-balanced and calibrated as a set
- Basic install guidance
Required/Recommended Supporting Parts
These 60% over injectors require proper fuel supply and tuning. We recommend:
- Duramax Lift Pump (AirDog / FASS) — improves filtration and supply pressure
- Exergy Sportsman CP3 for LB7 — supports higher fuel demand
- Injector Install Gaskets & Seals — refresh sealing surfaces during install
- Shop All Exergy Performance
Install Notes
- Tuning required. Custom calibration is necessary to safely realize the added flow.
- Lift pump strongly recommended to stabilize supply pressure and protect the injection system.
- Prime/bleed the fuel system thoroughly after installation to prevent hard starts.
- Use clean fuel and quality filtration; contamination is the #1 cause of injector failure.
Frequently Asked Questions
Q: Do I need tuning with 60% over injectors?
A: Yes. Proper tuning is required to manage the increased flow, maintain drivability, and control smoke/EGTs.
Q: Will my stock CP3 support these?
A: For best results, pair with an upgraded pump such as the Exergy Sportsman CP3 and a lift pump.
Q: Is there a core charge?
A: Many reman injectors carry a refundable core. If applicable, the amount and instructions will appear at checkout.
Q: How will these affect balance rates and idle?
A: Sets are flow-balanced to help maintain smooth idle and acceptable balance rates when installed on a healthy engine with proper tuning.
Q: Warranty?
A: Covered by Exergy’s manufacturer warranty. Keep proof of purchase and follow correct 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.
