{"product_id":"namura-standard-bore-piston-rings-for-polaris-trail-boss-250-fits-1985-1999-72mm","title":"Namura Standard Bore Piston Rings for Polaris Trail Boss 250 fits 1985-1999 72mm","description":"\u003ch2\u003eStandard Bore Piston Rings for Polaris\u003c\/h2\u003e\u003cp\u003eThese Namura standard bore piston rings for Polaris Trail Boss 250 are precision-made for 72mm cylinders to ensure proper compression on 1985-1999 machines. These piston rings for Polaris help restore engine health and power output.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura standard bore piston rings for Polaris are an essential component for any top-end engine refresh. These piston rings for Polaris are manufactured to tight tolerances to create a high-integrity seal against the cylinder wall. They are designed for mechanics seeking reliable performance in vintage Polaris 250cc powerplants.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDurable alloy construction for wear resistance\u003c\/li\u003e\n\u003cli\u003eEngineered for standard bore fitment\u003c\/li\u003e\n\u003cli\u003eProvides consistent combustion chamber seal\u003c\/li\u003e\n\u003cli\u003eResists high temperatures and cylinder pressure\u003c\/li\u003e\n\u003cli\u003eDesigned for long service intervals\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Polaris Trail Boss 250 1985-1999\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end engine rebuilds\u003c\/li\u003e\n\u003cli\u003eRestoring compression lost over time\u003c\/li\u003e\n\u003cli\u003eGeneral mechanical maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e72mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCast\/Steel Alloy\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 What is the importance of checking end gap? \u003cstrong\u003eA:\u003c\/strong\u003e Checking ring end gap ensures the rings are not too tight or too loose within the cylinder. \u003cstrong\u003eA:\u003c\/strong\u003e Correct gap prevents catastrophic engine failure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Are these for stock pistons? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, these are designed for standard bore pistons of 72mm diameter.\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":44792267243606,"sku":"SZ1F01999","price":32.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_68a867e1-a3cf-4187-bb81-10338db73025.jpg?v=1780065003","url":"https:\/\/www.solidspare.com\/products\/namura-standard-bore-piston-rings-for-polaris-trail-boss-250-fits-1985-1999-72mm","provider":"Solid Spare","version":"1.0","type":"link"}