Description
6.4L Powerstroke Loaded OEM Cylinder Head – O-Ringed for Performance Sealing
Part #: PP-6.4HEADLOEM-O
Restore and upgrade your 2008–2010 Ford 6.4L Powerstroke with the Powerstroke Products Loaded OEM O-Ringed Cylinder Head. Designed for street/strip and high-performance builds, this head features a machined O-ring sealing surface to improve combustion chamber sealing—keeping compression in the cylinders and preventing leaks into the cooling system.
Built from a brand-new casting, this head requires no core, and comes fully assembled with new valves, seals, and springs for a hassle-free install. O-ringed heads offer added durability under boost and aggressive tuning, making them a must-have for anyone pushing power in their 6.4L Powerstroke.
✅ Features:
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Brand-new casting – no core required
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Fully assembled with new valves, springs, and seals
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Machined O-ring design – enhances sealing around combustion chambers
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Compatible with standard MLS head gaskets (not compatible with Fel-Pro gaskets)
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Ideal for street, race, and high-boost applications
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1-Year / Unlimited Mileage Warranty
🔧 Fitment:
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Fits 2008–2010 Ford F-250, F-350, and F-450 with the 6.4L Powerstroke diesel engine
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Sold individually
⚠️ Notes:
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MLS head gasket required – not compatible with Fel-Pro gaskets
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Hot re-torque is required to maintain warranty
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Head studs sold separately – full line available
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Not available for sale or use in California – see emissions notice
For performance builds that demand reliable sealing under pressure, the PP-6.4HEADLOEM-O Loaded OEM O-Ringed Head delivers factory-quality construction with race-ready enhancements.




