TM-P40-301 Polaris 650 Premium Engine Identify your cooling design: PIPES NO PIPES This is a Premiumremanufactured Polaris 650 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: 1992-1995 SL650 Shipping price includes: old core exchange and return shipping of the NEW CORE.