2009 GM/Chev (HD) V8, 4.8L, Gas, Truck Delivery, Engine Assys, Fits to: Workhorse Custom Chassis W42, (Used) 2008 GM V8 4.8, ENGINE ASSEMBLY- Horsepower: 285, Displacement: 4.8L, 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 285, Serial# Other, Casting# Other 5B4JPD28393437597