Fleece Performance 01-04 GM Duramax LB7 Freedom Cylinder Head w/Cupless Injector Bore (Pssgr Side) Cummins 5.9L Late 450 to 550 HP with

450 to 550 HP with supporting mods

000cfm performance 360 degree radial flow air filter with 10-layers of progressive cotton media providing 99

billet pulleys

Zero modifications needed for install

0L Powerstroke with the XDP X220 Series Head Stud Kit XD3001HS

Fleece Performance 01-04 GM Duramax LB7 Freedom Cylinder Head w/Cupless Injector Bore (Pssgr Side) Cummins 5.9L Late 450 to 550 HP withFreedom 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 valves, valve guides, springs, and