Product Description
The CPP 5.9 Cummins 1200HP Pro Street Long Block Engine is built for serious diesel performance enthusiasts who want a street-capable high-horsepower Cummins engine for their 2003-2007 Dodge Ram 2500 or 3500 truck.
Designed for customers pushing serious horsepower levels while maintaining real-world drivability, this engine package is intended for high-performance street trucks, dyno builds, drag racing applications, and serious diesel enthusiasts who demand more than a basic long block.
Each 5.9 Cummins Pro Street long block engine is built to order based on your application, horsepower goals, fuel system setup, turbocharger configuration, and intended use. Please contact CPP Diesel prior to ordering to confirm current availability, build specifications, pricing, and estimated lead times.
Starting at $14,995, the CPP Pro Street Series combines premium performance components, proven diesel engine building experience, and high-horsepower capability into a complete street-focused long block package.
Built for High Horsepower Street Performance
The CPP Pro Street Series is engineered for customers looking for a stronger engine foundation capable of handling increased boost, fuel delivery, cylinder pressure, and aggressive tuning while still maintaining street-friendly drivability.
With over 16 years of diesel engine building experience, CPP Diesel has built engines for daily drivers, tow rigs, race trucks, sled pulling trucks, and competitive diesel applications.
1200HP Pro Street Engine Package
- ARP Head Studs
- Performance Connecting Rods
- Hamilton Performance Camshaft
- Hamilton Extreme Duty Pushrods
- Hamilton Valve Springs
- Ported Cylinder Head
- ARP Main Studs and Rod Bolts
- Performance valvetrain upgrades
- Built to support up to 1200HP with proper supporting modifications
Backed by a 1-Year Craftsmanship Warranty
CPP Diesel Pro Street engines are backed by a 1-year craftsmanship warranty for added confidence and peace of mind.
Please contact CPP Diesel for complete warranty information, installation requirements, tuning recommendations, and break-in procedures.
Built to Order – Contact Before Ordering
All CPP Cummins engines are built to order. Availability, lead times, and final build specifications may vary depending on component availability and intended application.
Please contact CPP Diesel before placing your order so we can confirm current lead times, supporting modifications, and the best engine package for your build goals.
Fitment
- 2003 Dodge Ram 2500 / 3500 5.9 Cummins
- 2004 Dodge Ram 2500 / 3500 5.9 Cummins
- 2005 Dodge Ram 2500 / 3500 5.9 Cummins
- 2006 Dodge Ram 2500 / 3500 5.9 Cummins
- 2007 Dodge Ram 2500 / 3500 5.9 Cummins
What’s Included
- Built-to-order 5.9 Cummins Pro Street long block engine
- Engine block
- Crankshaft
- Performance connecting rods
- Pistons
- Ported cylinder head assembly
- Performance camshaft
- Hamilton valvetrain upgrades
- ARP hardware upgrades
What’s Not Included
- Turbocharger
- Fuel injectors
- Fuel injection pump
- External accessories
- Manifolds
- Sensors, wiring, and electronics
- Tuning
- Transmission upgrades
Why Choose the CPP Pro Street Series?
- Designed to support up to 1200HP
- Built for serious street performance applications
- Premium valvetrain and bottom-end upgrades
- Real-world diesel racing and sled pulling experience
- Backed by a 1-year craftsmanship warranty
- Over 16 years of diesel engine building experience
- Built by diesel enthusiasts who understand Cummins performance
Supporting Parts Recommended
A 1200HP-capable Cummins engine requires proper supporting modifications including upgraded turbochargers, fuel systems, transmission upgrades, cooling systems, and tuning.
- Performance Cummins Fuel Injectors
- High Performance Cummins Turbochargers
- Performance Fuel System Components
- Built Cummins Automatic Transmissions
- Built Cummins Manual Transmissions
Specifications for CPP 5.9 Cummins 1200HP Pro Street Long Block
| Brand | CPP Diesel |
| Series | Pro Street Series |
| Engine Platform | 5.9L Common Rail Cummins |
| Years | 2003-2007 |
| Vehicle Fitment | Dodge Ram 2500 / 3500 |
| Engine Type | Long Block |
| Horsepower Capability | Up to 1200HP |
| Application | High-performance street applications |
| Warranty | 1-Year Craftsmanship Warranty |
| Availability | Built to order - contact CPP Diesel before ordering |
FAQ
How much horsepower can this engine support?
The CPP Pro Street Series is designed to support up to 1200 horsepower with the proper turbocharger setup, fuel system, tuning, and drivetrain upgrades.
Is this engine street friendly?
Yes. The Pro Street Series is designed for high-performance street trucks and real-world drivability while supporting serious horsepower capability.
Does this engine include a warranty?
Yes. This engine includes a 1-year craftsmanship warranty.
Is this engine built to order?
Yes. Every CPP Cummins engine is built to order based on your application and horsepower goals.