Wiseco Arctic Cat 440 - 600 Bottom End Gasket KitWiseco's bottom end rebuild kits help save time and money for your dirt bike, ATV, or UTV bottom end rebuild. Available for many popular applications, these kits contain a crankshaft assembly, main bearings, and a bottom end gasket kit, all in one box under one part number. This Part Fits: Year Make Model Submodel 1995 1996 Arctic Cat Bearcat 550 Base 1994 Arctic Cat Cheetah 550 Base 1995 1998 Arctic Cat Cougar Base 1996 Arctic Cat EXT 580 Base 1997