Product Description
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
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+125 HP Gain – Qualifies as Dynomite’s Stage 4, delivering serious mid-level power
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Supports ~475–520 RWHP – Enough fuel for powerful street and tow builds with appropriate turbos
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SAC Nozzle, Dual Pilot Holes – Efficient atomization and increased durability
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Matched Set of 6 Nozzles – Precision-balanced for smooth fueling and consistent performance
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2 Year Warranty & Free Shipping – Industry-leading coverage and fast, free U.S. delivery
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Stock Injector Bodies Remain – Cost-effective nozzle-only swap (bodies not included)
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Not Street-Legal in California – Restricted sale due to Prop 65
Fitment & Application
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Engine: Dodge 5.9 L 24‑Valve Cummins (VP44)
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Model Years: 1998.5–2002
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Ideal For: Street-driven performance builds or light towing with turbo upgrades
What’s Included
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(6) High-flow Stage 4 SAC nozzles
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Flow-certificates & matching documentation
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Warranty paperwork (2–3 year coverage)
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Free ground shipping across the continental U.S.
Installation & Tuning Recommendations
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POP Pressure Reset Required – A reputable shop must set injector POP to 290 BAR after installation.
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Turbo Upgrade Highly Recommended – Helps manage EGT and minimize smoke under boost.
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Expect Light Idle Haze or Smoke – Normal for Stage 4 nozzles; depends on engine tuning and upgrades.
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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.
