{"product_id":"spi-standard-bore-piston-rings-for-polaris-550-fan-cooled-snow-1999-2021-73mm","title":"SPI Standard Bore Piston Rings for Polaris 550 Fan Cooled Snow 1999-2021 - 73mm","description":"\u003ch2\u003eStandard Bore Piston Rings for Polaris\u003c\/h2\u003e\u003cp\u003eThese standard bore piston rings for the Polaris 550 fan cooled snowmobile engine offer a reliable seal for maintaining engine performance. These standard bore piston rings are sized at 73mm for factory specification cylinders.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThese standard bore piston rings are designed for the 550 fan cooled engine found in Polaris snowmobiles produced between 1999 and 2021. The standard bore piston rings provide the necessary compression seal for efficient power delivery across the entire RPM range. They are an essential part of routine engine maintenance for fan cooled powerplants.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDesigned for 73mm bore standard cylinders\u003c\/li\u003e\n\u003cli\u003eOptimized for fan cooled engine environments\u003c\/li\u003e\n\u003cli\u003eDurable ring material for reduced friction\u003c\/li\u003e\n\u003cli\u003eEnsures maximum compression for starting reliability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e73mm\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Are these rings compatible with all 550 engines? \u003cstrong\u003eA:\u003c\/strong\u003e These are for the 550 fan cooled engine; check your specific engine model for compatibility.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do these need to be checked for end gap? \u003cstrong\u003eA:\u003c\/strong\u003e Always verify end gap per your service manual before completing engine assembly.\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":44792363483222,"sku":"SZ1F03524","price":39.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_b68b1315-bcfa-492c-b58d-53af56164b43.jpg?v=1780068294","url":"https:\/\/www.solidspare.com\/products\/spi-standard-bore-piston-rings-for-polaris-550-fan-cooled-snow-1999-2021-73mm","provider":"Solid Spare","version":"1.0","type":"link"}