Product Description
Feed serious horsepower on your LLY with the Exergy E01 10250 Reman 150% Over Injector Set. Each set is precision-calibrated, flow-balanced, and built from genuine cores by Exergy Performance for competition-focused fueling with consistent rail pressure and repeatable results.
Key Benefits
- Reman 150% over injectors for high fuel mass and top-end power
- Tight cylinder-to-cylinder balance for smoother idle and cleaner burn
- OEM-quality components, test data, and calibration from Exergy
- Ideal with an upgraded CP3 and proper lift pump supply
Fitment
- Make/Model: Chevrolet Silverado 2500HD/3500HD; GMC Sierra 2500HD/3500HD
- Engine: 6.6L Duramax LLY
- Years: 2004.5, 2005 (mid-year LLY introduction in 2004)
What’s Included
- (8) Exergy E01 10250 Reman 150% Over Injectors (matched set)
- Individual test/calibration data from Exergy (when provided)
- Basic installation guidance
Recommended Supporting Parts
Support the added fuel with Exergy-compatible components and proper supply pressure:
- GM Duramax CP3 Pumps & Components (includes Exergy CP3 options for LLY)
- GM Duramax Lift Pumps (AirDog/FASS and in-tank upgrades)
- Duramax Gaskets, Seals & Injector Install Hardware
- Shop All Exergy Performance
Install Notes
- Competition/large injector sets require adequate air (turbo/exhaust), fuel supply, and tuning.
- Prime and bleed the fuel system thoroughly; follow torque specs and clean-room practices.
- Use fresh fuel filters and verify return rates to diagnose any pre-existing issues.
Frequently Asked Questions
Q: Are these true 150% over Exergy injectors?
A: Yes—this is the Exergy E01 10250 reman 150% over matched set, built and calibrated by Exergy.
Q: What CP3 should I run with 150% over injectors?
A: At minimum an upgraded Exergy CP3 (Sportsman or Stroker) is recommended for LLY use. See our GM CP3 category.
Q: Do I need a lift pump?
A: Yes—high flow sets require a quality lift pump to maintain supply pressure and protect the CP3. Browse Duramax lift pumps.
Q: Is tuning required?
A: Absolutely. Custom tuning is required to take full advantage of 150% over injectors and to maintain drivability.
Q: Core charge and warranty?
A: Core charges may apply. Exergy warranty coverage applies when installed/used per their guidelines with clean fuel and proper filtration.
