2007 GM/Chev (HD) V8, 4.8L, Gas, Truck Delivery, Engine Assys, Fits to: Workhorse Custom Chassis W42, (Used) 2007 GM 4.8L, ENGINE ASSEMBLY- Displacement: 4.8L, Horsepower: 255, 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 255, Serial# TBD, Casting# TBD 5B4KPD2V673430778