Powerstroke Products Loaded Stock O-Ring Cylinder Head: Upgrade your 2008-2010 6.4 Powerstroke with our superior replacement cylinder head. Machined for O-rings, it ensures optimal sealing and performance. Featuring high-quality valves, springs, and seals, this head is built for durability and reliability. Backed by a 1-year unlimited mileage warranty, it’s a trusted choice for enhancing engine performance and longevity. Note: Not compatible with Fel-Pro head gaskets.

• Enhanced Performance: Optimized for maximum sealing efficiency with O-ring machining.
• Top-Tier Components: Includes premium valves, springs, and seals.
• Durability Guaranteed: Built to last with a 1-year unlimited mileage warranty.
• Note: Not compatible with Fel-Pro head gaskets.