{"product_id":"spi-020-over-bore-piston-kit-for-ski-doo-fits-1993-1999-670-non-ho-snow-78-5mm","title":"SPI  .020 Over Bore Piston Kit for Ski-Doo fits 1993-1999 670 non-HO Snow 78.5mm","description":"\u003ch2\u003eSPI .020 Over Bore Piston Kit for Ski-Doo\u003c\/h2\u003e\u003cp\u003eThis .020 over bore piston kit fits 1993-1999 Ski-Doo 670 non-HO snowmobiles and provides the needed overbore to restore cylinder compression.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe SPI .020 over bore piston kit is designed for Ski-Doo 670 non-HO snowmobile engines requiring a 78.5mm bore. This piston kit delivers reliable power restoration and is a direct replacement for the original piston assembly. It is the ideal solution for rebuilding your Ski-Doo engine to like-new condition.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined from high-strength aluminum alloy\u003c\/li\u003e\n\u003cli\u003e.020 inch overbore for worn cylinder restoration\u003c\/li\u003e\n\u003cli\u003eIncludes rings, wrist pin, and circlips for complete installation\u003c\/li\u003e\n\u003cli\u003eMatches OEM specifications for 670 non-HO engines\u003c\/li\u003e\n\u003cli\u003eTested for durability in snowmobile applications\u003c\/li\u003e\n\u003cli\u003eDirect fit for 78.5mm bore\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Ski-Doo 670 non-HO snowmobiles (1993-1999)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRebuilding Ski-Doo snowmobile engines after top-end wear\u003c\/li\u003e\n\u003cli\u003eRestoring compression on high-mileage 670 non-HO engines\u003c\/li\u003e\n\u003cli\u003ePerformance rebuilds requiring a .020 overbore\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\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e78.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverbore\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.020\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e670 non-HO\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 Is this piston kit compatible with a 670 HO engine?\u003cstrong\u003eA:\u003c\/strong\u003eNo, this kit is specifically for the non-HO version; the HO has different port timing and piston design.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to replace the piston rings with this kit?\u003cstrong\u003eA:\u003c\/strong\u003eYes, the kit includes new rings, wrist pin, and circlips for a complete installation.\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":44890491322454,"sku":"SZ1F11876","price":138.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_732b155a-343f-4aa5-9373-17edb3174194.jpg?v=1781140642","url":"https:\/\/www.solidspare.com\/products\/spi-020-over-bore-piston-kit-for-ski-doo-fits-1993-1999-670-non-ho-snow-78-5mm","provider":"Solid Spare","version":"1.0","type":"link"}