Fleece LBZ LMM Duramax Fully Loaded Cylinder Head 2006-2010 6.6L

Fleece's Freedom Series LBZ cylinder heads are a game changer. These all new castings include all new valvetrain and require NO CORE. 

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 valve guides, springs, and valve seals.  Perfect for the daily driver or towing application

FEATURES

• New aluminum casting
• New valves, valve guides, new springs, and new valve seals
• CNC cut, multi-angle valve job

APPLICATION NOTES

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

INSTALLATION NOTES

• Fleece recommends using GM 12637788 head gasket (Grade C, Right) and GM 12637785 head gasket (Grade C, Left)