5.9L 12 Valve Cummins Stage 1 Long Block Engine (1989-1998) - Industrial Injection - PDM-12VSTLB

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 and 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 and 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 and 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 and 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).