{"product_id":"namura-standard-bore-piston-rings-for-polaris-prostar-s4-snow-2023-2024-93mm","title":"Namura Standard Bore Piston Rings for Polaris ProStar S4 Snow 2023-2024 - 93mm","description":"\u003ch2\u003eStandard Bore Piston Rings for Polaris\u003c\/h2\u003e\u003cp\u003eThese standard bore piston rings for Polaris provide a reliable seal for 93mm pistons in ProStar S4 snowmobile engines.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe standard bore piston rings for Polaris maintain compression and minimize oil consumption during engine operation. These standard bore piston rings for Polaris are engineered for high speed applications where thermal stability is critical. They are ideal for mechanics rebuilding the top end of their engine.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eChrome plated for reduced friction\u003c\/li\u003e\n\u003cli\u003ePrecision tension for compression seal\u003c\/li\u003e\n\u003cli\u003eCompatible with 93mm bores\u003c\/li\u003e\n\u003cli\u003eHigh wear resistance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Polaris ProStar S4 2023-2024\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRestoring compression in worn cylinders\u003c\/li\u003e\n\u003cli\u003eReducing oil blow-by during operation\u003c\/li\u003e\n\u003cli\u003eStandard rebuild requirements\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I check end gap? \u003cstrong\u003eA:\u003c\/strong\u003e Insert the ring into the cylinder bore and use a feeler gauge to measure the gap between the ring ends.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do these require a break-in period? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, following a structured break-in process allows the rings to properly seat against the cylinder wall.\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":44793151750230,"sku":"SZ1F04871","price":43.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_20ac06b3-6534-419c-a43a-86a210537eea.jpg?v=1780084108","url":"https:\/\/www.solidspare.com\/products\/namura-standard-bore-piston-rings-for-polaris-prostar-s4-snow-2023-2024-93mm","provider":"Solid Spare","version":"1.0","type":"link"}