{"product_id":"spi-standard-bore-piston-ring-for-polaris-850-sleds-fits-most-2019-2022-85mm","title":"SPI Standard Bore Piston Ring for Polaris 850 Sleds fits Most 2019-2022 - 85mm","description":"\u003ch2\u003eStandard Bore Piston Ring for Polaris\u003c\/h2\u003e\u003cp\u003eThis SPI standard bore piston ring serves as a high-quality replacement for Polaris 850 snowmobile engines to restore compression and seal the combustion chamber with an 85mm diameter.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe standard bore piston ring is designed for Polaris 850 sleds to ensure proper engine sealing. This SPI standard bore piston ring helps maintain optimal cylinder pressure during demanding operation. Professional technicians use this standard bore piston ring for routine engine rebuilds and maintenance.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision manufactured for consistent cylinder wall contact\u003c\/li\u003e\n\u003cli\u003eEngineered to withstand high combustion temperatures\u003c\/li\u003e\n\u003cli\u003eOptimized heat dissipation for longer service life\u003c\/li\u003e\n\u003cli\u003eChrome plated face for reduced wear resistance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Polaris 850 2019\u003c\/li\u003e\n\u003cli\u003efor Polaris 850 2020\u003c\/li\u003e\n\u003cli\u003efor Polaris 850 2021\u003c\/li\u003e\n\u003cli\u003efor Polaris 850 2022\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRestoring compression in high-mileage engines\u003c\/li\u003e\n\u003cli\u003eTop-end rebuild procedures\u003c\/li\u003e\n\u003cli\u003ePreventing excessive blow-by during operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSPI 85mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCast Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e85mm\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 Should the ring end gap be measured before installation? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, checking the ring end gap inside the cylinder ensures it falls within the manufacturer specified tolerances for the specific bore size.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is a hone necessary when installing these rings? \u003cstrong\u003eA:\u003c\/strong\u003e A light cylinder hone is recommended to break the glaze on the cylinder walls to allow for proper ring seating.\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":44792232542294,"sku":"SZ1F01436","price":28.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_50713540-08ab-47d9-a79a-4ae8eb3eb08d.jpg?v=1780064205","url":"https:\/\/www.solidspare.com\/products\/spi-standard-bore-piston-ring-for-polaris-850-sleds-fits-most-2019-2022-85mm","provider":"Solid Spare","version":"1.0","type":"link"}