5.9 12V Cummins Stage 1 Injector Set – DDP 9498-1

Upgrade your 1994–1998 Dodge Ram 5.9L 12-valve Cummins with the Dynomite Diesel (DDP) Stage 1 Injector Set (part # DDP9498-1 / 9498-1). These brand-new, precision-matched injectors deliver the fuel flow needed to support up to 400 rear-wheel horsepower while improving throttle response, spool characteristics, fuel economy, and smoke control.

Key Benefits

• Supports up to 400 RWHP with proper supporting modifications
• Noticeable gains in power and torque over stock
• Improved fuel economy (many users report 1–2+ MPG once driving settles)
• Excellent smoke control and cleaner combustion
• Better turbo spool and drivability thanks to Dynomite’s patented Pilot Hole Technology

Technical Details

• Nozzle style: SAC nozzle with 5 main holes + 2 pilot holes (patented Pilot Hole Technology, 0.005″ pilots)
• Flow: 5 × 11 – 44 LPM – 155°
• Pop pressure: 270 BAR
• Recommended injection pump timing: 17–18 degrees
• Includes 0.5 mm copper washers
• Sold as a complete brand-new matched set of 6 injectors
• No core charge or return required

Fitment

1994–1998 Dodge Ram 2500 / 3500 with 5.9L 12-valve Cummins (second-generation P-pump engines).

These injectors are an excellent choice for stock or mildly modified trucks that want a clear performance step up without excessive smoke or poor street manners. For maximum results, many builders pair them with upgraded delivery valves and confirm proper timing after installation.

Ready to wake up your 12-valve? The DDP 9498-1 Stage 1 set gives you reliable, efficient power with the quality and consistency Dynomite Diesel is known for.