{"product_id":"spi-standard-bore-piston-rings-for-polaris-900-fusion-rmk-switchback-83mm","title":"SPI Standard Bore Piston Rings for Polaris 900 Fusion, RMK \u0026 Switchback 83mm","description":"\u003ch2\u003eStandard Bore Piston Rings for Polaris\u003c\/h2\u003e\u003cp\u003eThese standard bore piston rings provide the necessary seal between the piston and cylinder wall for peak combustion efficiency. \u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe standard bore piston rings act as a pressure seal to prevent blow-by during engine operation. These standard bore piston rings are manufactured to match an 83mm cylinder diameter for consistent fitment. Using these standard bore piston rings restores lost compression and power in your two-stroke engine.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eHigh-durability cast iron composition\u003c\/li\u003e\n\u003cli\u003eEngineered for precise ring land seating\u003c\/li\u003e\n\u003cli\u003eOptimized tension for minimal wall friction\u003c\/li\u003e\n\u003cli\u003eHigh heat dissipation properties\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end engine service\u003c\/li\u003e\n\u003cli\u003eRestoring compression for snowmobile engines\u003c\/li\u003e\n\u003cli\u003eRoutine rebuilds for high-mileage machines\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\u003e83mm\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to hone the cylinder before installing? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, lightly deglazing the cylinder wall is necessary to help the new rings seat properly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I check end gap? \u003cstrong\u003eA:\u003c\/strong\u003e Place the ring into the cylinder and use a feeler gauge to verify the measurement remains within factory specifications.\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":44792324096086,"sku":"SZ1F02878","price":35.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_18a09458-adff-482e-8258-0d2f49625542.jpg?v=1780067372","url":"https:\/\/www.solidspare.com\/products\/spi-standard-bore-piston-rings-for-polaris-900-fusion-rmk-switchback-83mm","provider":"Solid Spare","version":"1.0","type":"link"}