{"product_id":"spi-030-over-bore-top-end-repair-kit-for-polaris-snow-1986-1999-500-f-c-72-75mm","title":"SPI .030 Over Bore Top End Repair Kit for Polaris Snow 1986-1999 500 F\/C 72.75mm","description":"\u003ch2\u003e.030 Over Bore Top End Repair Kit for Polaris\u003c\/h2\u003e\u003cp\u003eThis .030 over bore top end repair kit for Polaris snowmobile engines includes pistons, rings, wrist pins, and gaskets to rebuild a 500cc F\/C engine from 1986-1999 models, restoring compression and performance.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe .030 over bore top end repair kit for Polaris is a complete rebuild set designed for 500cc F\/C snowmobile engines from 1986 to 1999. It provides all necessary components to refresh the cylinder bore and restore lost power, making it ideal for maintenance or performance restoration on older Polaris sleds.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eIncludes pistons with precision-machined ring grooves for reliable sealing\u003c\/li\u003e\n\u003cli\u003eHigh-quality rings reduce friction and improve compression\u003c\/li\u003e\n\u003cli\u003eWrist pins and circlips are included for a complete assembly\u003c\/li\u003e\n\u003cli\u003eGasket set ensures a leak-free seal between cylinder and crankcase\u003c\/li\u003e\n\u003cli\u003e0.030 inch oversize accommodates worn cylinder bores\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Polaris Snowmobile 500 F\/C (1986-1999)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCommonly used during full engine rebuilds or top-end refreshes\u003c\/li\u003e\n\u003cli\u003eIdeal for restoring snowmobiles that have lost compression\u003c\/li\u003e\n\u003cli\u003eSuitable for both trail riding and performance applications\u003c\/li\u003e\n\u003cli\u003eCan be installed by experienced DIY mechanics or 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\u003e72.75mm (0.030 over)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e500cc F\/C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1986-1999 Polaris Snowmobiles\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 Does this kit include wrist pins and circlips? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the kit comes with wrist pins and circlips to secure the pistons to the connecting rods.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can I use this kit on a 500cc liquid-cooled Polaris engine? \u003cstrong\u003eA:\u003c\/strong\u003e This kit is specifically for the 500cc F\/C (fan-cooled) engine; liquid-cooled models require a different kit.\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":44949833646166,"sku":"SZ1F15488","price":296.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_5e076746-9529-4a75-a92c-04659344dda1.jpg?v=1781399831","url":"https:\/\/www.solidspare.com\/products\/spi-030-over-bore-top-end-repair-kit-for-polaris-snow-1986-1999-500-f-c-72-75mm","provider":"Solid Spare","version":"1.0","type":"link"}