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12V Cummins O-Ringed Loaded Cylinder Head w/ 150lb Valve Springs (1994–1998)
Part #: PP-12VLHDVS-ORINGED
Upgrade the performance and reliability of your 1994–1998 Dodge 5.9L 12V Cummins with the Powerstroke Products Loaded O-Ringed Cylinder Head. This high-performance replacement head features a brand-new casting—not remanufactured—and comes fully assembled with all-new valvetrain components, including heavy-duty 150 lb. valve springs, retainers, locks, valves, and seals.
The O-ringed sealing surface adds clamping strength to the head gasket, ensuring combustion stays where it belongs—inside the cylinder—and out of your cooling system. Perfect for towing, tuning, or high-performance street builds, this drop-in head is assembled and ready for installation right out of the box.
Brand-new casting – no core required
Fully assembled with new valves, seals, springs, retainers, and locks
O-ringed head design – provides superior gasket sealing under boost
Includes 150 lb. heavy-duty valve springs – ideal for towing and performance builds
MLS head gasket required for proper sealing
1-Year / Unlimited Mileage Warranty
