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Introducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engine shop and is guaranteed to meet or exceed factory specifications.
All heads are meticulously inspected, pressure and leak tested, and are equipped with new valve guides, springs, and valve seals.
- New valve guides, new springs, and new valve seals
- Pressure and leak tested
- Precision ground stock valves with a 45 degree angle
- Multi-angle valve job
- 1 Year Limited Parts Warranty