{"product_id":"namura-040-over-bore-piston-rings-for-polaris-sportsman-450-400-ranger-88-9mm","title":"Namura .040 Over Bore Piston Rings for Polaris Sportsman 450 400 Ranger 88.9mm","description":"\u003ch2\u003eOver Bore Piston Rings for for Polaris\u003c\/h2\u003e\u003cp\u003eThese .040 over bore piston rings for for Polaris are precision engineered for engines requiring an 88.9mm bore size. Installing these .040 over bore piston rings for for Polaris ensures that your rebuilt engine achieves optimal sealing and consistent power output.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eWhen performing a rebuild, these .040 over bore piston rings for for Polaris restore necessary compression. The .040 over bore piston rings for for Polaris are crafted from wear resistant materials to handle the stresses of off-road utility use. This set is designed to work seamlessly with matched oversized pistons.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCustom fit for 88.9mm bore\u003c\/li\u003e\n\u003cli\u003eMaintains factory compression levels\u003c\/li\u003e\n\u003cli\u003eHeat resistant alloy metallurgy\u003c\/li\u003e\n\u003cli\u003ePrecision machined for gap integrity\u003c\/li\u003e\n\u003cli\u003eReduces blow-by in high load applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Polaris Sportsman 450\u003c\/li\u003e\n\u003cli\u003efor Polaris Sportsman 400\u003c\/li\u003e\n\u003cli\u003efor Polaris Ranger\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\u003e88.9mm\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What is the purpose of the .040 over size? \u003cstrong\u003eA:\u003c\/strong\u003e This size is used to compensate for cylinder wall wear that has been removed during the boring and honing process. \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Should I check ring orientation? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, ensure the ring markings are facing upward toward the crown of the piston during 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":44792382292054,"sku":"SZ1F03819","price":41.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_ccaa4422-f23e-4870-b93d-06cd7a3eecaa.jpg?v=1780068717","url":"https:\/\/www.solidspare.com\/products\/namura-040-over-bore-piston-rings-for-polaris-sportsman-450-400-ranger-88-9mm","provider":"Solid Spare","version":"1.0","type":"link"}