Fleece 5.9L Freedom Series Performance Cylinder Head

This freedom series cylinder head is manufactured in Fleece Performances state-of-the-art cylinder head machine shop and guaranteed to meet or exceed factory specifications. All heads are inspected, pressure checked, decked, painted, and ready for installation. Plus, the 11 screw in freeze plugs ensure you’ll never worry about a coolant leak under the valve cover again. Whether you are sled pulling, drag racing, or just looking for extra power when towing, Fleece Performance heads will get you the power you need and include larger Manley valves and are rated up to 1,100hp. Features: -Fire ring the cylinder head (All in the head) -11 screw in freeze plugs (eliminates coolant leaks) -Hardened, oversized press in valve seats -New valve guide liners -Manley 1.380″ stainless valves -105# valve springs and steel retainers -Fire ring gasket kit with multi-layer steel gasket and 4.550″ diameter rings Core and crate return required – all paperwork & instructions for return included with the new cylinder head -ARP625 Head studs are recommended for all applications above stock horsepower Fitment Notes: 2003 – 2007 Dodge Ram 6.7L Cummins