DDP DDPCP3-308 DURAMAX 04.5-05 LLY REMAN STOCK CP3

The DDP DDPCP3-308 is a 12mm Stroker CP3 injection pump designed by Dynamite Diesel Performance to deliver significant fuel volume increases for high-horsepower Cummins builds. Intended for 2003–2007 5.9L Cummins engines, this pump offers 42% more displacement than a stock CP3, delivering the extra fuel needed to support up to 1,200 horsepower with proper supporting modifications.

Built from genuine Bosch cores, DDP machines and calibrates this pump in-house for precision fuel delivery and long-term reliability in competitive or aggressive street applications.

Vehicle Fitment

• 2003–2007 Dodge Ram 2500 / 3500

• 5.9L Cummins turbo diesel (CP3-equipped)

 For high-performance and race builds only
 Custom tuning required
 Not emissions-compliant for on-road use

Key Features

• 12mm Stroker CP3 – supports up to 1,200 HP

•  Excellent for aggressive single or dual-injector configurations

•  Built from OEM CP3 cores – core charge applies

•  Precision-calibrated for consistent rail pressure at high RPM/load

•  Compatible with DDP injectors 200%+, large turbos, and nitrous

•  Assembled, tested, and flow-verified in the USA

Recommended Pairings

• DDP 305-200 to 305-300 injector sets

• 200+ GPH lift pump (AirDog or FASS)

• Custom ECM tuning (EFI Live, MM3, etc.)

• Large frame turbos or compound setups

• Built transmission and drivetrain

 Step up your 5.9L Cummins fuel system with the DDP DDPCP3-308 – the 12mm stroker CP3 designed to meet the demands of serious power builds, whether you're on the drag strip, dyno, or pulling track.