{"product_id":"namura-size-b-standard-bore-piston-kit-for-polaris-850-scrambler-sportsman-87mm","title":"Namura Size B Standard Bore Piston Kit for Polaris 850 Scrambler, Sportsman 87mm","description":"\u003ch2\u003eSize B Standard Bore Piston Kit for Polaris\u003c\/h2\u003e\u003cp\u003eThis Namura size B standard bore piston kit (87mm) replaces the factory piston in Polaris 850 Scrambler and Sportsman engines, restoring compression and performance.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Namura size B standard bore piston kit is engineered for Polaris 850 Scrambler and Sportsman ATVs. It provides a direct replacement for the original piston, ensuring reliable power delivery and long service life. The 87mm bore size maintains factory specifications for optimal engine performance.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined from high-strength aluminum alloy for durability\u003c\/li\u003e\n\u003cli\u003eSize B standard bore maintains factory clearance specifications\u003c\/li\u003e\n\u003cli\u003eIncludes piston rings and wrist pin for complete installation\u003c\/li\u003e\n\u003cli\u003eRigid quality control ensures consistent weight and dimensions\u003c\/li\u003e\n\u003cli\u003eDesigned to match Polaris 850 engine tolerances\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Polaris 850 Scrambler\u003c\/li\u003e\n\u003cli\u003efor Polaris 850 Sportsman\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRebuilding high-performance Polaris 850 ATV engines\u003c\/li\u003e\n\u003cli\u003eReplacing worn pistons in Scrambler models\u003c\/li\u003e\n\u003cli\u003eRestoring engine compression in Sportsman utility vehicles\u003c\/li\u003e\n\u003cli\u003eOverhauling after top-end failure or high mileage\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\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e87mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Bore (Size B)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-strength aluminum alloy\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, wrist pin\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 Will this piston kit work with my Polaris 850 Scrambler? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, it is designed as a direct replacement for the factory piston in Polaris 850 Scrambler and Sportsman models with standard bore specifications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to hone the cylinder before installation? \u003cstrong\u003eA:\u003c\/strong\u003e For best results, the cylinder should be honed to match the new piston rings and ensure proper seating.\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":44890932674646,"sku":"SZ1F13611","price":175.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_f8b3e64f-7a85-4f52-8038-bde2fc2686dd.jpg?v=1781144349","url":"https:\/\/www.solidspare.com\/products\/namura-size-b-standard-bore-piston-kit-for-polaris-850-scrambler-sportsman-87mm","provider":"Solid Spare","version":"1.0","type":"link"}