DDP DDPISB-125NZ DODGE 98.5-02 STAGE 4 NOZZLE SET

Upgrade your 24-valve Cummins with Dynomite Diesel's Stage 4 nozzle set—the DDPISB‑125NZ—designed to unlock up to +125 RWHP (approximately 475–520 RWHP total) while keeping your stock injector bodies intact. Perfect for enthusiasts seeking serious power gains with a focused and efficient upgrade.

 Key Features & Benefits

• +125 HP Gain – Qualifies as Dynomite’s Stage 4, delivering serious mid-level power
  

• Supports ~475–520 RWHP – Enough fuel for powerful street and tow builds with appropriate turbos

• SAC Nozzle, Dual Pilot Holes – Efficient atomization and increased durability
  

• Matched Set of 6 Nozzles – Precision-balanced for smooth fueling and consistent performance
  

• 2 Year Warranty & Free Shipping – Industry-leading coverage and fast, free U.S. delivery

• Stock Injector Bodies Remain – Cost-effective nozzle-only swap (bodies not included)

• Not Street-Legal in California – Restricted sale due to Prop 65
  

 Fitment & Application

• Engine: Dodge 5.9 L 24‑Valve Cummins (VP44)

• Model Years: 1998.5–2002

• Ideal For: Street-driven performance builds or light towing with turbo upgrades

 What’s Included

• (6) High-flow Stage 4 SAC nozzles

• Flow-certificates & matching documentation

• Warranty paperwork (2–3 year coverage)

• Free ground shipping across the continental U.S.

Installation & Tuning Recommendations

1. POP Pressure Reset Required – A reputable shop must set injector POP to 290 BAR after installation.

2. Turbo Upgrade Highly Recommended – Helps manage EGT and minimize smoke under boost.

3. Expect Light Idle Haze or Smoke – Normal for Stage 4 nozzles; depends on engine tuning and upgrades.

4. Professional Shop Install – Ideal for ensuring proper nozzle placement and injector adjustment.

 Final Take

The DDPISB‑125NZ Stage 4 nozzle set is a standout upgrade for ’98.5–’02 Dodge Cummins owners seeking serious power gains without costly injector swaps. With +125 HP, matched precision, reliable SAC nozzle design, and a strong warranty, it's a smart upgrade for those ready to step up their game.