DDP-DYNOMITE DIESEL PRODUCTS
DDP DDP4BTP-4NZ CUMMINS P-PUMP STAGE 4 NOZZLE SET 4BT
- SKU:
- DDP4BTP-4NZ
- MPN:
- DDP4BTP-4NZ
- Shipping:
- Calculated at Checkout
Description
The DDP 4BTP-4NZ injector nozzle set from Dynamite Diesel Performance is designed for those building up the popular 3.9L Cummins 4BT engine with a P7100 (P-pump). Featuring a 4-hole nozzle design, this set delivers enhanced fuel atomization and increased flow over stock nozzles, making it a perfect match for mild performance builds, off-road rigs, or even retro swaps looking for more power and improved drivability.
These nozzles are engineered to work specifically with P-pumped 4BT setups and are ideal for 200–400 horsepower goals when paired with upgraded turbo(s), injection pump tuning, and airflow improvements.
Vehicle Fitment / Engine Compatibility
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Cummins 4BT (3.9L) with Bosch P7100 Injection Pump
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Commonly found in:
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Step vans, skid steers, marine & industrial applications
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Popular for engine swaps (Jeeps, hot rods, off-road builds)
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Designed only for P-Pump equipped 4BTs – not VE or electronic pumps.
Key Features
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4-hole nozzle design for improved spray pattern
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Larger orifices for mild performance gains
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Suitable for builds making 200–400 HP
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Enhanced combustion and throttle response
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Works with stock or modified P7100 pump
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Requires injector disassembly and installation (nozzles only)
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Precision manufactured in the USA
Recommended Pairings
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Tuned P7100 injection pump
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Small-to-mid frame performance turbo (e.g., HX35, S300 variants)
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Performance intercooler and free-flowing exhaust
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Built transmission for added power levels
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Optional AFC tuning for fuel curve adjustment
Installer Note:
This is a nozzle-only set and requires installation on injector bodies. We recommend professional installation and pop-testing for best performance and reliability.