Product Description
Unlock serious fueling headroom with the Exergy E01 10117 Reman SAC 60% Over Injector Set. Purpose-built for 2001–2004 GM Duramax 6.6L LB7, these Exergy reman injectors use SAC-style nozzles and are flow-matched and calibrated for clean power, drivability, and consistency.
Key Benefits
- ~60% over stock flow using SAC nozzles for stronger mid-range and top-end
- Tight balance & calibration for smooth idle and controlled smoke
- Reman process with new wear components for durability and reliability
- Great match for performance CP3s, lift pumps, and appropriate 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
- Set of 8 – Exergy E01 10117 Reman SAC 60% Over Injectors (LB7)
- Calibration data & balance report (per Exergy standard)
- Seal kit (o-rings/copper washers)
Recommended Supporting Parts
Feed these injectors properly and maintain rail pressure under load:
Tuning & Use Notes
- Custom tuning is recommended to optimize drivability, EGTs, and smoke control.
- Pair with adequate air (turbo/intercooler) and a healthy CP3 for best results.
- Return cores promptly to avoid additional charges (if applicable).
Frequently Asked Questions
Q: Are these true SAC-style LB7 injectors?
A: Yes. They are reman LB7 injectors equipped with SAC nozzles and calibrated/matched by Exergy.
Q: What CP3 should I run with 60% over injectors?
A: A healthy Sportsman or 10mm stroker CP3 is recommended. See our Exergy CP3 option linked above.
Q: Do I need a lift pump?
A: Highly recommended for consistent supply pressure, filtration, and CP3 life. See our Duramax lift pump category.
Q: Will these work on a stock turbo?
A: They can, but proper tuning and adequate airflow are critical. Many customers pair 60% sets with upgraded turbos.
Q: Warranty & cores?
A: Covered by Exergy’s manufacturer policies. Follow install best practices, use clean fuel, and return cores on time.
About Exergy Performance
Exergy leads the industry in precision fuel system components for Duramax platforms. Explore more here: Exergy Performance at CPP Diesel.
