Product Description
S&S Diesel 305-60SAC-R-SET — 60% Over Early 5.9 Injector (Reman) — Set of 6 — 2003–2004 Ram 2500/3500 5.9L Cummins
Unlock serious fueling headroom on your early 5.9 (2003–2004) with a flow-matched, remanufactured set from S&S Diesel Motorsport. These 60% over injectors use SAC nozzles and tight OE-style flow control to deliver consistent performance across all six cylinders.
- 60% over nozzle flow vs. stock (early 5.9)
- SAC nozzles with proprietary honing for clean, consistent orifices
- Set is flow-matched to tight tolerances for balanced cylinders
- Premium reman bodies and components
- Sold as a matched set of 6
Fitment
Vehicle: 2003–2004 Dodge Ram 2500/3500 with 5.9L Cummins 24-valve (early 5.9).
Engine family: 5.9L ISB CR (early/“305 hp” variant).
Intended use: Performance/tuning applications where a 60% over injector is appropriate.
What’s Included
- (6) Reman S&S Diesel Motorsport injectors — 60% over (305-60SAC-R-SET)
- Matched flow data (per set)
- Installation notes
Recommended Supporting Parts
- 03–04 Cummins Injectors (Category) — compare sizes and build a matched combo.
- 03–07 Cummins Fuel System & Components — rails, lines, fittings, filtration.
- 03–07 Cummins CP3 Injection Pumps — stock & high-flow CP3 options to support 60% injectors.
- BD 1050227 Lift Pump Kit (03–04) — consistent low-pressure supply helps injector life.
- Fleece PowerFlo Lift Pump Upgrade (03–04) — OE-style in-tank solution.
Helpful Notes
- Professional installation and calibration/tuning recommended for 60% over injectors.
- Return cores promptly if required; core policies vary by product.
- Verify emissions rules for your use case and location.
FAQ
What does “60% over” mean on these early 5.9 injectors?It indicates approximately 60% higher nozzle flow than stock early-5.9 injectors, supporting greater fuel delivery when properly tuned.
Are these truly a matched set?Yes. Sets are built and flow-matched so each cylinder receives consistent fueling for smoother operation and easier tuning.
Do I need a lift pump or CP3 upgrade?With 60% over injectors, a healthy fuel supply is critical. Many builds pair these with a quality lift pump and, depending on power goals, a higher-output CP3.
How do I confirm I have an early (2003–2004) 5.9?Early 5.9 applications are model years 2003–2004 on Ram 2500/3500. These are commonly referred to as the “305 hp” engines.
