Wiseco Bottom End Gasket Kit Ski-Doo 453/593 GasketWiseco'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 2000 2001 Ski Doo Formula Deluxe 600 Base 2001 Ski Doo Formula Deluxe 600 GSE Base 2000 2001 Ski Doo Grand Touring 600 Base 2002 Ski Doo