The Fleece Performance 6.7L Freedom Series Cummins Cylinder Head (Street HD) is built to OEM-or-better standards for diesel truck owners who want a no-compromise upgrade. Engineered, manufactured, and supported by Fleece - the diesel performance specialists.

Features

• 11 Screw in Freeze Plugs (eliminates coolant leaks)
• Hardened, oversized press-in valve seats
• Fleece heavy duty 105 valve springs
• Fleece tool steel retainers
• New valve guide liners
• Head gasket not included. We recommend the use of Mahle 54774 or Cummins 4932210.
• Follow all installation instructions. Installation by an experienced technician recommended. Valve lash required. Back off adjusters on rocker arms or damage will occur to the cylinder head.

Notes

• Core and crate return required! All paperwork & instructions for return included with the new cylinder head. Read the Fleece core charge policy here. You are responsible for all return shipping costs of the core.

Specifications

• Fuel Type: Diesel
• Engine: 6.7L Cummins
• Country of Origin: US

Manufacturer Description

Introducing our Freedom Series cylinder heads - Give new life to your engine with our fully remanufactured Cummins cylinder head.

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.

Perfect for a daily driver or heavy duty towing, our Heavy Duty Street heads are rated for use up to 700hp.
Freedom Series Heavy Duty Street heads Include:

• 11 Screw in Freeze Plugs (eliminates coolant leaks)
• Hardened, oversized press-in valve seats
• Fleece heavy duty 105 valve springs
• Fleece tool steel retainers
• New valve guide liners