TM-P40-501 Tigershark 640 Premium Engine Remove the PTO coupler and measure the diameter of the crank at the end: 18MM or 24MM This is a Premium remanufactured Tigershark 640 engine. It includes the cases, cylinders, trued and welded Crankshaft, head, all new internal parts & a woodruff key. 2-year no-fault warranty. See below for all associated parts. Installation Gasket Kit required. Applications: 1994-1995 Barracuda 1994-1995 Daytona 1994-1997 Monte Carlo 1994-1997 Montego 1994-1997 Montego DLX 1998-1999 TS 640 Shipping price includes: old core exchange and return shipping of the NEW CORE.