{"product_id":"namura-standard-bore-piston-rings-fits-polaris-hawkeye-sportsman-300-77-7mm","title":"Namura Standard Bore Piston Rings fits Polaris Hawkeye \u0026 Sportsman 300 77.7mm","description":"\u003ch2\u003eStandard Bore Piston Rings for Polaris\u003c\/h2\u003e\u003cp\u003eThese standard bore piston rings for Polaris ensure a proper seal between the piston and cylinder wall to maintain optimal compression and engine power.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThese standard bore piston rings for Polaris are precision-manufactured by Namura to restore engine efficiency and prevent blow-by. By installing these standard bore piston rings for Polaris, you restore the internal combustion seal required for consistent power delivery across the RPM range. This set is engineered to match the heat expansion properties of your engine block.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eStandard 77.7mm bore specification\u003c\/li\u003e\n\u003cli\u003eDurable ring material for reduced friction and wear\u003c\/li\u003e\n\u003cli\u003eMaintains consistent cylinder wall contact\u003c\/li\u003e\n\u003cli\u003ePrevents oil consumption caused by ring wear\u003c\/li\u003e\n\u003cli\u003eEngineered for rapid break-in cycles\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Polaris Hawkeye 300\u003c\/li\u003e\n\u003cli\u003efor Polaris Sportsman 300\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end engine rebuilds and cylinder maintenance\u003c\/li\u003e\n\u003cli\u003eCorrecting low compression issues identified via leak-down test\u003c\/li\u003e\n\u003cli\u003eReplacing rings during piston service cycles\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\u003e77.7mm\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Should I hone the cylinder before installation? \u003cstrong\u003eA:\u003c\/strong\u003e Deglazing the cylinder wall is necessary to ensure the new rings seat correctly. \u003cstrong\u003eQ:\u003c\/strong\u003e Do these require end-gap checking? \u003cstrong\u003eA:\u003c\/strong\u003e Always verify ring end-gap within the cylinder before final assembly to ensure manufacturer specifications are met.\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":44792387043414,"sku":"SZ1F03925","price":41.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_d1b48493-d34d-44bf-896f-ad91b7b87299.jpg?v=1780068870","url":"https:\/\/www.solidspare.com\/products\/namura-standard-bore-piston-rings-fits-polaris-hawkeye-sportsman-300-77-7mm","provider":"Solid Spare","version":"1.0","type":"link"}