Product Description
Give your LLY the fueling headroom it needs with the Exergy E01 10207 Reman 60% Over Injector Set. Precision-calibrated, flow-balanced, and built from genuine cores, these Exergy reman injectors support serious power while maintaining streetable manners on 2004.5–2005 GM Duramax 6.6L LLY trucks.
Key Benefits
- ~60% over stock flow for strong mid–top end power
- Remanufactured by Exergy with documented test data
- Tight balance rates for clean idle and drivability
- Ideal with upgraded CP3 and quality lift pump
Fitment
- Make/Model: Chevrolet Silverado & GMC Sierra 2500HD/3500HD
- Engine: Duramax 6.6L LLY
- Years: 2004.5, 2005 (mid-year LLY introduction)
What’s Included
- Set of 8 reman Exergy 60% over LLY injectors (E01 10207)
- Flow documentation / balance data (from Exergy)
Recommended Supporting Parts
- GM Duramax Lift Pumps (AirDog/FASS)
- Exergy 12mm Stroker CP3 for LLY
- Injector Seal Kit (04.5–07 LLY/LBZ/LMM)
- Other Exergy LLY injector options:
- Shop All Exergy Performance
Install Notes
- Professional installation and clean-room practices strongly recommended.
- Prime/bleed the fuel system thoroughly after install; verify no return leaks.
- Custom tuning recommended to optimize fueling and smoke control.
- Use quality filtration and stable supply pressure (lift pump advised).
Frequently Asked Questions
Q: How much power will 60% over injectors support?
A: With proper air, CP3, and tuning, 60% overs can support significant gains suitable for street/strip builds. Actual results depend on turbo, CP3, and calibration.
Q: Do I need to upgrade the CP3?
A: It’s strongly recommended. Pair these injectors with an Exergy CP3 (Sportsman or Stroker) for stable rail pressure at higher load.
Q: Is there a core charge?
A: Reman sets typically carry a refundable core. See the product options and checkout details for current terms.
Q: Will these pass emissions?
A: These are performance injectors. Compliance depends on local laws and tuning strategy. Check regulations in your area.
About Exergy Performance
Exergy is the benchmark in precision common-rail fuel systems for Duramax platforms and more. Explore the full lineup here: Exergy Performance at CPP Diesel.
