Fleece Performance

6.7L Freedom Series Cummins Cylinder Head Street Fleece Performance

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  • Regular price $1,749.00
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Introducing our 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 Performance heads will get you the power you need and include larger Manley valves and are rated up to 1,100hp!
Perfect for a daily driver or heavy duty towing, our Street heads are rated for use up to 700hp. If your engine configuration is exceeding factory RPM limits a Performance Series head with higher valve spring rates is required.
Freedom Series Street heads include:

11 Screw in Freeze Plugs (eliminates coolant leaks)
Hardened, oversized press-in valve seats
New Cummins valve springs
New valve guide liners


5.9L Remanufactured Cummins Cylinder Head (Street)
Engine Manufacturer: Cummins
Liter: 5.9 Liter
Sold As: Kit

Head gasket not included. We recommend the use of Mahle 54774 or Cummins 4932210.Core and crate return required - all paperwork and instructions for return included with the new cylinder head.