Product Description
S&S Diesel 305-400SAC-R-SET — 400% Over Early 5.9 Injector (Reman) — Set of 6 — 2003–2004 Ram 2500/3500 5.9L 24V Cummins
Built for serious fuel delivery on the Early 5.9L (2003–2004) Cummins, this S&S Diesel Motorsport reman injector set features SAC nozzles and tight flow-matching for consistency across all six cylinders. Sold as a complete set with core return required.
Fitment
- 2003–2004 Dodge Ram 2500/3500 with 5.9L 24V Cummins (Early 5.9).
- Set of 6 remanufactured injectors with SAC nozzles; core return required.
What’s Included
- (6) Reman S&S Diesel Motorsport injectors — 400% over flow (Early 5.9 spec).
- Matched as a set for consistent flow and rate shape (SAC nozzle program benefits).
- Documentation and core return instructions.
Recommended Parts
- 03–04 Cummins Injector Category — compare injector options sized for Early 5.9.
- 5.9L Cummins CR Injectors & Install Kits — install kits, seals, and related hardware.
- Connector / Feed Tubes — recommended anytime injectors are replaced.
- 03–07 Cummins Fuel System Components — lift pumps, filtration, lines, rails, and fittings.
- Shop All S&S Diesel at CPP — more S&S injectors, pumps, and kits.
Helpful Notes
- These high-flow injectors are intended for builds that can supply adequate fuel and air; supporting upgrades (lift pump, filtration, turbo, tuning) are recommended. (General S&S injector program guidance).
- Verify emissions and use-case requirements for your locale and vehicle configuration.
FAQ
What does “Early 5.9” mean for fitment?It refers to the 2003–2004 5.9L common-rail Cummins engines. This set is matched to those model years.
Are these injectors sold individually or as a set?This SKU is sold as a set of 6 with a core return requirement.
What nozzle style is used?SAC nozzles with S&S’s proprietary honing and tight flow-matching standards for consistency.
Is tuning required?For 400% over injectors, proper calibration and supporting fuel/air mods are strongly recommended to realize benefits and maintain control. (General performance guidance; consult your tuner.)
