{"product_id":"spi-040-over-bore-top-end-repair-kit-for-polaris-snow-1986-1999-500-f-c-73mm","title":"SPI .040 Over Bore Top End Repair Kit for Polaris Snow 1986-1999 500 F\/C 73mm","description":"\u003ch2\u003eSPI .040 Over Bore Top End Repair Kit for Polaris\u003c\/h2\u003e\u003cp\u003eThis SPI .040 over bore top end repair kit is designed for Polaris Snow 500cc F\/C engines from 1986-1999, with a 73mm bore size to restore compression and top end performance.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe SPI .040 over bore top end repair kit for Polaris Snow 500 F\/C engines provides all necessary components for a complete top end rebuild. This kit includes a piston, rings, gaskets, and seals for the 73mm overbore. It is ideal for restoring lost compression and power on Polaris snowmobiles from 1986-1999.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined piston with .040 overbore for increased displacement\u003c\/li\u003e\n\u003cli\u003eHigh-quality rings ensure optimal sealing and compression\u003c\/li\u003e\n\u003cli\u003eComplete gasket set for a reliable top end seal\u003c\/li\u003e\n\u003cli\u003eDirect replacement for Polaris 500 F\/C engines\u003c\/li\u003e\n\u003cli\u003eDurable construction for long-lasting performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Polaris Snow 500 F\/C (1986-1999)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRebuilding Polaris snowmobile engines after wear or damage\u003c\/li\u003e\n\u003cli\u003eRestoring lost power and compression in older snowmobiles\u003c\/li\u003e\n\u003cli\u003eReplacing worn top end components during engine overhauls\u003c\/li\u003e\n\u003cli\u003eImproving engine reliability for the riding season\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\u003e73mm (.040 over)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine\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\u003eYear Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1986-1999\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 pin and circlips? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the SPI top end repair kit typically includes a wrist pin and circlips for complete piston installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can I use this kit on a Polaris 500 with standard bore? \u003cstrong\u003eA:\u003c\/strong\u003e No, this kit is specifically for .040 overbore; the standard bore requires 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":44949833678934,"sku":"SZ1F15489","price":296.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_bcd54505-cf3f-4223-9388-1a2b02e15776.jpg?v=1781399832","url":"https:\/\/www.solidspare.com\/products\/spi-040-over-bore-top-end-repair-kit-for-polaris-snow-1986-1999-500-f-c-73mm","provider":"Solid Spare","version":"1.0","type":"link"}