{"product_id":"spi-030-over-bore-piston-kit-for-polaris-500-snow-fits-1985-2006-488cc-72-75mm","title":"SPI .030 Over Bore Piston Kit for Polaris 500 Snow fits 1985-2006 488cc 72.75mm","description":"\u003ch2\u003e.030 Over Bore Piston Kit for Polaris\u003c\/h2\u003e\u003cp\u003eThis .030 over bore piston kit for Polaris 500 Snow engines is designed for 488cc models from 1985 to 2006, featuring a 72.75mm bore size for a precise fit.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis .030 over bore piston kit for Polaris 500 Snow sleds provides a replacement piston and rings for engines requiring an oversized bore. It is intended for 1985-2006 488cc Polaris engines, offering a 72.75mm piston diameter. By using this over bore piston kit, you can restore engine performance and compression after cylinder wear.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePiston diameter 72.75mm (.030 over standard bore)\u003c\/li\u003e\n\u003cli\u003eIncludes piston rings for proper sealing\u003c\/li\u003e\n\u003cli\u003eManufactured by SPI, a reliable aftermarket supplier\u003c\/li\u003e\n\u003cli\u003eCasting is precision-machined to reduce friction and wear\u003c\/li\u003e\n\u003cli\u003eCompatible with stock connecting rods and wrist pins\u003c\/li\u003e\n\u003cli\u003eDesigned to withstand high RPM snowmobile operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Polaris 500 Snow (1985-2006, 488cc)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eUsed during top end rebuilds on Polaris 500 Snow snowmobiles\u003c\/li\u003e\n\u003cli\u003eIdeal for restoring lost compression in high-mileage engines\u003c\/li\u003e\n\u003cli\u003eCommonly installed when boring cylinders to .030 over size\u003c\/li\u003e\n\u003cli\u003eSuitable for both trail and performance riding applications\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverbore\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.030\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Displacement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e488cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Years\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1985-2006\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\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 include a wrist pin? \u003cstrong\u003eA:\u003c\/strong\u003e This kit includes the piston and rings only; you will need to reuse your existing wrist pin or purchase it separately if damaged.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can this piston be used in a standard bore cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e No, this is a .030 over bore piston and requires the cylinder to be bored to 72.75mm; it will not fit a standard bore.\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":44890467827798,"sku":"SZ1F11356","price":127.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_3adba23a-a777-4430-a4c9-015f6920f415.jpg?v=1781139970","url":"https:\/\/www.solidspare.com\/products\/spi-030-over-bore-piston-kit-for-polaris-500-snow-fits-1985-2006-488cc-72-75mm","provider":"Solid Spare","version":"1.0","type":"link"}