{"product_id":"spi-020-over-bore-piston-kit-for-ski-doo-500-fan-cooled-sleds-72-5mm-see-desc","title":"SPI .020 Over Bore Piston Kit for Ski-Doo 500 Fan Cooled Sleds 72.5mm SEE DESC","description":"\u003ch2\u003eSPI .020 Over Bore Piston Kit for Ski-Doo\u003c\/h2\u003e\u003cp\u003eThis SPI .020 over bore piston kit replaces the factory piston in Ski-Doo 500 Fan Cooled snowmobiles, providing a 72.5mm bore size to restore top-end performance after cylinder wear.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe SPI .020 over bore piston kit is a direct-fit replacement for Ski-Doo 500 Fan Cooled sleds, designed to rebuild worn cylinders with a 72.5mm oversize piston. This kit delivers reliable compression and smooth power for snowmobile engines, making it an essential component for a top-end rebuild on Ski-Doo 500 Fan Cooled models.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined 72.5mm piston with .020 oversize\u003c\/li\u003e\n\u003cli\u003eHigh-strength aluminum alloy construction for durability\u003c\/li\u003e\n\u003cli\u003eIncludes piston rings and pin for complete installation\u003c\/li\u003e\n\u003cli\u003eCompatible with Ski-Doo 500 Fan Cooled engine platform\u003c\/li\u003e\n\u003cli\u003eEngineered for consistent compression and long service life\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Ski-Doo 500 Fan Cooled snowmobiles\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSuitable for top-end rebuilds on Ski-Doo 500 Fan Cooled sleds\u003c\/li\u003e\n\u003cli\u003eUsed in recreational snowmobiling and trail riding\u003c\/li\u003e\n\u003cli\u003eRestores lost power and oil consumption from worn cylinders\u003c\/li\u003e\n\u003cli\u003eSuitable for both DIY mechanics and professional shops\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e72.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOversize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.020 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Includes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePiston, rings, pin, clips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSee description for specific SPI part number\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this piston kit work with stock cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e This .020 over bore kit is intended for cylinders that have been bored to the matching oversize; a stock cylinder must be machined to accept this piston.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to replace the piston on both cylinders? \u003cstrong\u003eA:\u003c\/strong\u003e This kit includes one piston; for twin-cylinder Ski-Doo 500 Fan Cooled engines, two kits are required for a complete rebuild.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":44890442104918,"sku":"SZ1F11165","price":120.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_7e9d6a3a-0bf0-430c-b316-9d3c583d8094.jpg?v=1781139446","url":"https:\/\/www.solidspare.com\/products\/spi-020-over-bore-piston-kit-for-ski-doo-500-fan-cooled-sleds-72-5mm-see-desc","provider":"Solid Spare","version":"1.0","type":"link"}