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DDP-DYNOMITE DIESEL PRODUCTS

DDP DDPISB-50NZ DODGE 98.5-02 STAGE 1 NOZZLE SET

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SKU:
DDPISB-50NZ
MPN:
DDPISB-50NZ
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Calculated at Checkout
$451.25

Description

The DDP ISB-50NZ injector nozzle set is the perfect solution for Cummins owners wanting a major bump in fueling without replacing full injector bodies. These 50% over-stock EDM-cut nozzles are built to deliver enough fuel to support 700–850 horsepower with the right air and fuel system upgrades.

All DDP nozzles are flow-balanced across all 6 units, ensuring clean atomization, smooth operation, and optimal cylinder performance under boost. Whether for street/strip or aggressive towing builds, the ISB-50NZ gets you fueling precision without compromise.


Vehicle Fitment

  • 2003–2007 Dodge Ram 2500 / 3500

  • 5.9L Cummins Turbo Diesel (Common Rail)

⚠️ Professional installation and custom tuning required.
✔️ Designed to install into factory-style injector bodies.


Performance Features

  • 50% Over Fuel Flow – More fuel for more power

  • Supports 700–850+ HP with proper setup

  • Flow-Matched for precise fueling and cylinder balance

  • Nozzles Only – Great for rebuilds or upgrades

  • Made in the USA – Quality you can trust


Recommended Supporting Mods

To take full advantage of the ISB-50NZ nozzles, pair them with:

  • Modified or Dual CP3 Fuel System

  • High-Flow Lift Pump (FASS, AirDog)

  • Upgraded Turbo (S300, S400, or Compounds)

  • Built Transmission & Drivetrain

  • Custom EFI Live or MM3 Tuning

  • Head Studs and Intercooler Upgrades (recommended)


Serious Fuel. Precise Control.

The DDP ISB-50NZ nozzles offer an efficient path to more power, ideal for experienced builders who want to upgrade their injectors with proven precision parts.

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Warranty Information

3 Year
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