Fleece Performance Model FPE-61-10011-HD Fleece Performance Freedom Series HD cylinder heads for the 2003-2007 6.0L Ford Power Stroke. Each cylinder head is manufactured in Fleece's state-of-the-art Freedom Racing Engine shop...
Fleece Performance Freedom Series HD cylinder heads for the 2003-2007 6.0L Ford Power Stroke. Each cylinder head is manufactured in Fleece's 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
