Product Description
Feed serious horsepower with the Exergy E02 20160 400% Over Injector Set. Engineered with Exergy’s internal modification for precise control and high-flow capability, these NEW (not reman) injectors are built for competition-level 2003–2004 Cummins 5.9L 24V common-rail builds where matching fuel system components and tuning are mandatory.
Key Benefits
- NEW Exergy injectors (no core exchange) with internal modification for stable, high-flow delivery
- ~400% over stock capacity for race and extreme-performance applications
- Individually balanced and flow-verified by Exergy Performance
- Designed for use with adequate lift pump, CP3, and custom calibration
Fitment
- Make/Model: RAM 2500/3500
- Engine: 5.9L Cummins 24-valve Common Rail
- Years: 2003, 2004 (common-rail)
- Injector Style: Bosch common-rail (direct replacement when used with proper supporting mods)
What’s Included
- Exergy E02 20160 NEW Injector Set – 6 injectors (~400% over)
- Flow sheet/verification from Exergy (when supplied by manufacturer)
Recommended Supporting Parts
These injectors require a properly matched fuel system. For reliability and performance, pair with:
- High-Flow Lift Pump (AirDog / FASS)
- Exergy Performance (brand catalog) – use to source Exergy-only fueling components
- Injector Install Gaskets & Seals
Install Notes
- Professional installation required. Ultra-clean procedures are critical; contamination will damage injectors.
- Custom tuning is mandatory for 400% over injectors. Verify rail pressure targets and pulse width.
- Lift pump and upgraded CP3 fuel supply are required to maintain commanded rail pressure under load.
- Always prime/bleed the system thoroughly and verify for leaks before initial fire-up.
Frequently Asked Questions
Q: Are these injectors street-friendly?
A: No—400% over injectors are intended for competition/off-road builds with adequate air, fuel, and tuning.
Q: Do these require a lift pump and CP3 upgrade?
A: Yes. A high-flow lift pump and upgraded/high-output CP3 are required to support the commanded fuel volume.
Q: Can I mix brands for injectors?
A: We recommend staying within the Exergy ecosystem for consistency and quality control. Browse Exergy Performance for injectors and related components.
Q: What about warranty?
A: Exergy provides manufacturer warranty guidelines. Keep proof of purchase and follow strict cleanliness/installation procedures.
About Exergy Performance
Exergy is a leader in precision common-rail components, offering flow-verified, balanced parts for serious diesel performance. Explore more Exergy products here: Exergy at CPP Diesel.
