SBT sells the motor on a rebuildable core exchange basis. Visit Program Description for further details. This is a Standard remanufactured Polaris 1200DI v.1 engine. It includes the cases, cylinders, trued and welded crankshaft, head, all new internal parts & a woodruff key and a 1-year no-fault warranty.. Installation Gasket Kit required. Please call SBT for shipping rates