Fleece Performance 03-07 Ford Super Duty 6.0L Powerstroke 18mm Dowel Freedom Series HD Cylinder Head

The Fleece Performance Freedom Series HD cylinder heads for the 2003-2007 6.0L Ford Power Stroke are manufactured in their state-of-the-art Freedom Racing Engine shop. These HD cylinder heads are built on a brand-new casting engineered for increased durability and longevity, guaranteed to meet or exceed factory specifications. They are fully assembled and ready to install, equipped with hardened, oversized press-in valve seats, new valve guides, springs, valves, and valve seals. A one-piece O-ring design ensures maximum cylinder sealing, making them suitable for daily drivers or heavy-duty towing applications where reliability is crucial.