Industrial Injection 5.9L 12 Valve Cummins Stage 1 Long Block Engine (1989-1998)
The Industrial Injection Stage 1 Long Block Engine is built for 1989-1998 Dodge Ram 5.9L Cummins Common Rail owners who want a powerful, reliable engine capable of handling increased horsepower while maintaining exceptional durability. Engineered with premium components, advanced machining processes, and over 40 years of diesel performance expertise, this long block is designed for towing, street performance, and demanding work applications.
Every engine starts with a balanced and blueprinted rotating assembly that is Sim-tested to ensure precision, reliability, and long service life. The foundation includes Industrial Injection X Series Coated & Chamfered Pistons, a 12mm Gorilla Girdle with ARP Main Studs, balanced Cummins connecting rods and crankshaft, and ARP rod bolts for superior bottom-end strength.
The engine is equipped with an Industrial Injection Stage 1 188/220 Camshaft, coated H-Series bearings, billet freeze plugs, new tappets, and a complete oiling and cooling system refresh featuring a new oil pump, water pump, and oil cooler.
Topping off the build is our Stage 1 CNC Ported & Polished Cylinder Head with Fire Ring Grooves. This premium cylinder head features stainless steel nitride-coated valves, hardened alloy valve guides, oversized high-temperature valve seats, drilled and tapped coolant freeze plugs, and 95lb performance valve springs to improve airflow, durability, and head gasket sealing.
Features:
- Balanced and blueprinted rotating assembly
- Sim-tested engine assembly
- Industrial Injection X Series Coated & Chamfered Pistons
- Industrial Injection 12mm Gorilla Girdle with ARP Main Studs
- Balanced Cummins crankshaft
- Balanced Cummins connecting rods with ARP rod bolts
- Industrial Injection Stage 1 188/220 Camshaft
- Coated H-Series main and rod bearings
- Billet freeze plugs
- New tappets
- New oil pump, water pump, and oil cooler
- Cummins oil pickup tube
- Big Iron oil pan
- Stage 1 CNC Ported & Polished Cylinder Head with Fire Ring Grooves
- CNC ported cylinder head with performance hand blending
- Radius-cut fire ring grooves for improved head gasket sealing
- Custom performance stainless steel nitride-coated valves
- Top hat valve seals
- Diamond honed hardened alloy valve guides
- Drilled and tapped coolant freeze plugs
- Upgraded 150lb valve springs
-
7mm injector bores
- ARP 2000 head studs
Benefits:
- Built to support increased horsepower and torque
- Improved airflow and engine efficiency
- Enhanced head gasket sealing with fire ring grooves
- Increased bottom-end strength and durability
- Precision-balanced for smooth operation
- Improved reliability for towing and heavy-duty applications
- Designed for long-term performance and engine longevity
Applications:
- 1989-1998 Dodge Ram 2500/3500 5.9L Cummins Common Rail Engines
- Specify year and if VE pump or P7100 pump in notes.
Warranty:
- 1-Year Unlimited Mileage Warranty
Important Note:
- Recommended break-in oil: Driven Racing Oil / Joe Gibbs Break-In Oil for the first 300-500 miles (sold separately).