{"product_id":"namura-040-over-bore-piston-gasket-kit-for-polaris-sportsman-550-97-6mm","title":"Namura .040 Over Bore Piston \u0026 Gasket Kit for Polaris Sportsman 550 97.6mm","description":"\u003ch2\u003e.040 Over Bore Piston \u0026amp; Gasket Kit for Polaris\u003c\/h2\u003e\u003cp\u003eThis overbore piston and gasket kit for Polaris Sportsman 550 includes a 97.6mm piston, rings, and gasket set for .040 oversized cylinder rebore.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura .040 Over Bore Piston \u0026amp; Gasket Kit is engineered for Polaris Sportsman 550 engines needing a 97.6mm oversized piston. It provides all gaskets for a complete top end rebuild, restoring compression and power.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e.040 oversize piston for increased displacement\u003c\/li\u003e\n\u003cli\u003e97.6mm bore size for exact fit\u003c\/li\u003e\n\u003cli\u003eComplete gasket set included\u003c\/li\u003e\n\u003cli\u003eHigh quality rings for proper sealing\u003c\/li\u003e\n\u003cli\u003eNamura construction ensures longevity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Polaris Sportsman 550\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRebuilding Polaris Sportsman 550 top end\u003c\/li\u003e\n\u003cli\u003eOff-road utility and trail riding\u003c\/li\u003e\n\u003cli\u003eEngine performance restoration\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\u003e97.6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOversize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.040\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Includes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePiston, Rings, Gaskets\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 Do I need to hone the cylinder before installing this piston? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the cylinder must be honed or bored to 97.6mm for proper piston fit and ring seating.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is the gasket kit reusable? \u003cstrong\u003eA:\u003c\/strong\u003e No, gaskets should be replaced each time the top end is opened to ensure a proper seal.\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":44949829451862,"sku":"SZ1F15360","price":285.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_f28f975a-19bb-41b5-8d28-f88424b28917.jpg?v=1781399671","url":"https:\/\/www.solidspare.com\/products\/namura-040-over-bore-piston-gasket-kit-for-polaris-sportsman-550-97-6mm","provider":"Solid Spare","version":"1.0","type":"link"}