Freedom Series cylinder heads for the 6.6L Duramax are manufactured in Fleece's state-of-the-art Freedom Racing Engine shop and are 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. Perfect for the daily driver or towing application, these heads utilize stock valves with a 45 degree angle on the intake and exhaust ports. Now available with no core charge!
INSTALLATION NOTES
Write the First Review!