{"product_id":"spi-standard-bore-piston-kit-for-ski-doo-fits-1993-1999-670-non-ho-sleds-78mm","title":"SPI Standard Bore Piston Kit for Ski-Doo fits 1993-1999 670 non-HO Sleds 78mm","description":"\u003ch2\u003eStandard Bore Piston Kit for Ski-Doo\u003c\/h2\u003e\u003cp\u003eThis Standard Bore Piston Kit for Ski-Doo fits 670 non-HO snowmobile engines from 1993 to 1999, featuring a 78mm bore size to restore compression and performance in these classic sleds.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Standard Bore Piston Kit is a direct replacement for Ski-Doo 670 non-HO snowmobile engines manufactured between 1993 and 1999. It includes a precision-cast piston, rings, and wrist pin, delivering reliable power for high-mileage or rebuild applications. The 78mm bore matches factory specifications for these two-stroke engines.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eHigh-strength aluminum alloy piston for durability in snowmobile conditions\u003c\/li\u003e\n\u003cli\u003ePrecision-ground rings for optimal cylinder sealing\u003c\/li\u003e\n\u003cli\u003eIncludes wrist pin and circlips for complete installation\u003c\/li\u003e\n\u003cli\u003e78mm standard bore size ensures proper fit without cylinder machining\u003c\/li\u003e\n\u003cli\u003eDesigned for high-RPM two-stroke engine operation\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 top end of Ski-Doo 670 non-HO engines\u003c\/li\u003e\n\u003cli\u003eReplacing worn pistons to restore lost compression and power\u003c\/li\u003e\n\u003cli\u003ePerforming routine engine overhaul for reliable winter riding\u003c\/li\u003e\n\u003cli\u003eRestoring vintage Ski-Doo snowmobiles to running condition\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 Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e78mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum alloy\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 piston kit work with the HO version of the 670? \u003cstrong\u003eA:\u003c\/strong\u003e This kit is specifically for the non-HO 670 engine; the HO version uses a different piston design and is not compatible.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Are the piston rings pre-gapped? \u003cstrong\u003eA:\u003c\/strong\u003e Rings are not pre-gapped; final gap should be checked and adjusted according to manufacturer specifications during 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":44890491715670,"sku":"SZ1F11887","price":138.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_1de5c1aa-16a2-4b71-8b72-662731c4ddce.jpg?v=1781140655","url":"https:\/\/www.solidspare.com\/products\/spi-standard-bore-piston-kit-for-ski-doo-fits-1993-1999-670-non-ho-sleds-78mm","provider":"Solid Spare","version":"1.0","type":"link"}