(Used) 2007 GM/Chev (HD) 8.1L, ENGINE ASSEMBLY- Family Number: 7GMXH08.1503, Displacement: 8.1L, Horsepower: 330, Serial Number: TBD, ECS: SFI, TWC, H02S, Fuel: Gasoline, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921