Shop used and remanufactured Mack MP8 Engine Blocks / Cylinder Blocks on MyLittleSalesman.com . Compare active listings with prices from $2,500 to $3,500. Sellers include Frontier Truck Parts, Lomoca, Garabedian Equipment, and more. Filter by condition, price, or year to find the Mack MP8 Engine Block / Cylinder Block that fits your job.