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. 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! Features: 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 Warranty: 1 Year Limited Parts Warranty

Warranty

This Part Fits:

Year	Make	Model	Submodel
2004-2005	Chevrolet	Silverado 2500 HD	Base
2004-2005	Chevrolet	Silverado 2500 HD	LS
2004-2005	Chevrolet	Silverado 2500 HD	LT
2004-2005	Chevrolet	Silverado 2500 HD	WT
2004-2005	Chevrolet	Silverado 3500	Base
2004-2005	Chevrolet	Silverado 3500	LS
2004-2005	Chevrolet	Silverado 3500	LT
2004	Chevrolet	Silverado 3500	WT
2004-2005	GMC	Sierra 2500 HD	Base
2004-2005	GMC	Sierra 2500 HD	SLE
2004-2005	GMC	Sierra 2500 HD	SLT
2004-2005	GMC	Sierra 2500 HD	WT
2004-2005	GMC	Sierra 3500	Base
2004-2005	GMC	Sierra 3500	SLE
2004-2005	GMC	Sierra 3500	SLT
2004-2005	GMC	Sierra 3500	WT