DDP DDP4BTVE-2NZ CUMMINS VE PUMP 4BT STAGE 2 NOZZLE SET

The DDP 4BTVE-2NZ injector set is designed specifically for VE-pumped Cummins 4BT engines looking for a strong street performance upgrade without excessive smoke or stress on factory components. As a Stage 2 Non-ZDZ (non-zero-dead-zone) set, these injectors offer a refined spray pattern and increased flow, making them a perfect drop-in for those wanting noticeable power gains without extensive engine mods.

Ideal for hot rod builds, Jeeps, rock crawlers, or work trucks looking for a performance edge, these injectors support moderate fueling increases while keeping EGTs manageable with proper tuning and airflow.

Fitment Applications

• Cummins 3.9L 4BT with VE mechanical injection pump

• Commonly swapped into:

  • Jeep Wrangler YJ/TJ/XJ

  • Classic trucks and vans

  • Custom off-road rigs

  • Industrial and marine 4BT applications with VE pumps

 VE-pump only – not for P-pump or electronic 4BT models
 Requires fuel screw and AFC tuning for best results

Key Features

• Stage 2 Non-ZDZ – upgraded new nozzle design

•  Increased fuel delivery without excessive smoke

•  Ideal for moderate-performance builds

•  Drop-in fit for VE-pump 4BT Cummins engines

•  Built from new Bosch nozzles – never reman

•  Flow-matched for even cylinder fueling

•  Made and tested in the USA by Dynamite Diesel

Recommended Upgrades

• VE pump tuning (fuel screw, governor springs)

• 3" or larger exhaust

• Upgraded turbo (e.g., HX30/35) for best performance

• EGT gauge to monitor temps under load

• Optional intercooler for sustained power

 Whether you're restoring a 4BT swap or building a capable off-road rig, the DDP 4BTVE-2NZ Injector Set delivers clean, reliable power you can feel.