Fleece Performance 03-07 Ford Super Duty 6.0L Powerstroke 20mm Dowel Freedom Series HD Cylinder Head

Fleece Performance Model FPE-61-10012-HD

Fleece Performance Freedom Series HD cylinder heads for the 2003-2007 6.0L Ford Power Stroke. Each cylinder head is manufactured in their state-of-the-art Freedom Racing Engine shop and is guaranteed to meet or exceed factory specifications. These HD cylinder heads are built on a brand-new casting that has been engineered from the ground up for increased durability and longevity. Fully assembled and ready to install - all heads are equipped with hardened, oversized press-in valve seats, new valve guides, springs, valves, and valve seals. Standard with Fleece's one-piece O-rings in the head to ensure maximum cylinder sealing. Perfect for a daily driver or heavy-duty towing application where reliability and uptime are a must.

Features:

• Brand-new, higher tensile strength casting
• Race-proven formula with hardened, oversized press-in valve seats provides maximum durability and longevity
• Fleece Performance exclusive single-piece O-ring design ensures complete combustion sealing vs. traditional stainless wire that must be seamed.
• New valvetrain including Stainless Steel / Inconel alloy valves, springs, retainers, and keepers
• No core charge or core to return. 

• All 20mm dowel heads are configured for 2-bolt rocker box configurations.
• Fleece Performance recommends the use of 6.4L pushrods (Ford Part No. 8C3Z-6565-B) when installing these cylinder heads. 6.4L pushrods are 0.050” shorter in length vs. a 6.0L pushrod and will accommodate the tolerance stack ups that can be encountered with a replacement cylinder head. 
• Head gasket not included. We recommend the use of OEM Ford Replacement Head Gaskets.