Freedom Series Duramax Cylinder Head with Cupless Injector Bore for 2001-2004 LB7 (Driver Side)

Freedom Series Duramax Cylinder Head with Cupless Injector Bore for 2001-2004 LB7 (Driver Side) Cupless injector bore - no injector cups to leak again ever! New aluminum casting New valves, valve guides, new springs, and new valve seals CNC cut, multi-angle valve job Freedom Series cylinder heads for the LB7 6.6L Duramax feature 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 valve guides, springs, and valve seals. Perfect for the daily driver or towing application. Application Notes Fits Federal Emissions vehicles ONLY. Does not fit California delivered vehicles. Installation Notes We recommend using GM 12637788 head gasket (Grade C, Right) and GM 12637785 head gasket (Grade C, Left) Warranty 1 Year Limited Parts Warranty