Snowmobile/Ski DooSki Doo - Snowmobile Gasket Kits Back Complete Gasket Kit HS-711178 Snowmobile Parts & Accessories Viewer:390 Item No: HS-711178 Similar fits No: Winderosa - 711178 SPI - 09-711178 Fits: 1989 Ski-Doo Formula Mach 1 You May Also Be Interested In Complete Gasket Kit HS-711302 Complete Gasket Kit HS-711309 Throttle Cable 512-060-084 Piston Kit 09-684