Product Description
The DDP 325-90NZ is a high-performance injector nozzle upgrade designed for the 2003–2004 5.9L Cummins Common Rail engine. This nozzle-only set increases fueling capacity for up to +90 horsepower gains and is perfect for drivers looking to enhance throttle response, midrange power, and overall performance.
These precision EDM-cut and flow-tested nozzles must be installed on your existing injector bodies by a qualified diesel shop. Proper calibration and ECM tuning are required to take full advantage of the increased flow.
Fitment Applications
-
2003–2004 Dodge Ram 2500 / 3500
-
5.9L Cummins (Common Rail) with Bosch CP3 injection system
-
Will not fit 2004.5+ models with different injectors
Key Features
-
+90 HP capable (with proper tuning/supporting mods)
-
Set of 6 nozzles – precision EDM machined
-
Optimized spray pattern for power and efficiency
-
Requires professional installation and calibration
-
Ideal for performance, towing, or street/strip builds
-
Manufactured and flow-tested in the USA
Recommended For
-
Performance and towing upgrades
-
Users with aftermarket turbos, CP3 pumps, or tuning
-
Budget-conscious builds using rebuilt injectors
-
Experienced diesel enthusiasts with tuning capability
Boost your 5.9L Cummins build with DDP’s 90HP nozzle set – a proven upgrade when you want more power without replacing your full injector set.
