Fleece Freedom Series Cylinder Heads with Cupless Injector Bore for 2001-2004 LB7

ALL NEW! Freedom Series cylinder heads for the LB7 6.6L Duramax now with a cupless injector bore - save time and money with no more injector cups to install, leak, or worry about. Each cylinder head is assembled from a new casting 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 valves, valve guides, springs, and valve seals.  Perfect for the daily driver or towing application.

 

 

Fits Federal Emissions vehicles ONLY. Does not fit California delivered vehicles.

 

We recommend using GM 12637788 head gasket (Grade C, Right) and GM 12637785 head gasket (Grade C, Left)

 

1 Year Limited Parts Warranty