
- Superior Sealing (O-Ringed): Features the high-performance O-ring sealing design, which provides a significantly tighter combustion seal to prevent head gasket failures, a common issue under high boost and load.
- New Reinforced Casting: The casting is strengthened around the glow plugs and valve seats to help prevent the cracking that plagues the original factory heads.
- Fully Loaded and Ready: Includes 2 Brand New Cylinder Heads, fully loaded with Nitride Valves, Springs, Seats, Seals, Retainers, and Keepers, saving you significant time and labor during installation.
- Heavy-Duty Components: The heads DO include Hardened Seats and Injector Cups, ensuring maximum durability and resistance to wear and heat.
- Guaranteed Fitment: Designed as a direct-fit replacement for all 2008-2010 F-Series 6.4L Powerstroke Diesel Trucks.
- Warranty: Backed by a Limited 1-Year Warranty.

Is your 2008-2010 Ford 6.4L Powerstroke running on borrowed time? The factory cylinder heads are a critical weakness, notorious for failure under the immense pressures and heat of this engine. Don't wait for the inevitable - overheating, coolant puking, and lost power - to bring your truck to a halt. Our Brand New O’Ring Cylinder Heads are the ultimate, heavy-duty solution, engineered to address and prevent these failures with a superior, reinforced design. By featuring the O-Ring seal, these heads provide a much tighter, more reliable combustion seal than stock, making them absolutely essential for any 6.4L, whether stock or modified.
Superior Sealing (O-Ringed): Features the high-performance O-ring sealing design, which provides a significantly tighter combustion seal to prevent head gasket failures, a common issue under high boost and load.
New Reinforced Casting: The casting is strengthened around the glow plugs and valve seats to help prevent the cracking that plagues the original factory heads.
Fully Loaded and Ready: Includes 2 Brand New Cylinder Heads, fully loaded with Nitride Valves, Springs, Seats, Seals, Retainers, and Keepers, saving you significant [...]
- Superior Sealing (O-Ringed): Features the high-performance O-ring sealing design, which provides a significantly tighter combustion seal to prevent head gasket failures, a common issue under high boost and load.
- New Reinforced Casting: The casting is strengthened around the glow plugs and valve seats to help prevent the cracking that plagues the original factory heads.
- Fully Loaded and Ready: Includes 2 Brand New Cylinder Heads, fully loaded with Nitride Valves, Springs, Seats, Seals, Retainers, and Keepers, saving you significant time and labor during installation.
- Heavy-Duty Components: The heads DO include Hardened Seats and Injector Cups, ensuring maximum durability and resistance to wear and heat.
- Guaranteed Fitment: Designed as a direct-fit replacement for all 2008-2010 F-Series 6.4L Powerstroke Diesel Trucks.
- Warranty: Backed by a Limited 1-Year Warranty.