Introducing our Freedom Series cylinder heads for the 6.6L Duramax! 
Give new life to your Duramax with our fully re-manufactured cylinder heads. 
Each cylinder head is re-manufactured in our state-of-the-art Freedom Racing Engine shop and guaranteed to meet or exceed factory specifications. 
All heads are meticulously cleaned, inspected, pressure and leak tested, decked, and are equipped with new valve guides, springs, and valve seals.  
Perfect for the daily driver or towing application.  
Utilizes stock valves with a 45 degree angle on the intake and exhaust.   
** Does not include injector cups. 
 ** Core return required - all paperwork & instructions for return included with the new cylinder head.  
** You are responsible for all return shipping costs.