Snowmobile/Ski DooSki Doo - Snowmobile Gasket Kits Back Top End Gasket Kit HS-710178 Snowmobile Parts & Accessories Viewer:288 Item No: HS-710178 Similar fits No: Winderosa - 710178 SPI - 09-710178 Fits: 1989 Ski-Doo Formula Mach 1 You May Also Be Interested In Complete Gasket Kit SM-09530F Top End Gasket Kit HS-710260 Piston Ring 62T-11603-00 Gasket - Air Cool Cover1 6M6-13674-00