Freedom Series Cummins Performance cylinder heads. Each head is manufactured in our 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 our 5.9L Performance will get you the power you need and are rated up to 1,100hp!
Freedom Series Performance heads Include: