Fleece Performance Freedom Series HD cylinder heads for 2003–2007 Ford Super Duty 6.0L Powerstroke are fully assembled, higher-tensile replacement castings engineered for durability. They include hardened, oversized press-in valve seats, new valve guides, springs, valves and seals, and Fleece’s one-piece O-ring sealing system. Built for heavy-duty towing and daily use, these heads are produced to meet or exceed factory specifications; head gasket not included.
Fleece Performance 03-07 Ford Super Duty 6.0L Powerstroke 20mm Dowel Freedom Series HD Cylinder Head