2007 GM/Chev (HD) 8.1L GAS, TRUCK DELIVERY, Engine Assys, Fits to: Workhorse Custom Chassis W62, (Used) 2006 GM 8.1L, ENGINE ASSEMBLY- Remanufactured- Family Number: 9GMXH08.1503, Displacement: 8.1L, Horsepower: 330, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921, Horse Power 330, Serial# 52119K225, Casting# 52119K225 5B4MPG2G373429146