{"product_id":"2-namura-size-a-standard-bore-piston-kits-for-polaris-850-atv-s-87mm","title":"2 Namura Size A Standard Bore Piston Kits for Polaris 850 ATV's 87mm","description":"\u003ch2\u003e2 Namura Size A Standard Bore Piston Kits for Polaris\u003c\/h2\u003e\u003cp\u003eThese two 87mm standard bore piston kits from Namura are designed as a direct replacement for Polaris 850 ATV engines, restoring compression and performance with each installation.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThese Namura Size A standard bore piston kits provide a complete set of two pistons, rings, and wrist pins for rebuilding Polaris 850 ATV engines. Each kit is engineered to match OEM specifications, ensuring a precise fit and reliable operation. Ideal for mechanics and DIY enthusiasts tackling engine overhauls on Polaris 850cc ATVs.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e87mm bore diameter for standard Polaris 850 engine cylinders\u003c\/li\u003e\n\u003cli\u003eDurable cast aluminum alloy construction for long service life\u003c\/li\u003e\n\u003cli\u003eIncludes piston rings and wrist pin for a complete rebuild\u003c\/li\u003e\n\u003cli\u003eSize A designation indicates precise clearance for proper fit\u003c\/li\u003e\n\u003cli\u003eSupports high-temperature operation in demanding ATV use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Polaris Sportsman 850\u003c\/li\u003e\n\u003cli\u003efor Polaris RZR 850\u003c\/li\u003e\n\u003cli\u003efor Polaris General 1000 (with 850 engine variant)\u003c\/li\u003e\n\u003cli\u003efor Polaris Scrambler 850\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 Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e87mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 piston kits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCast aluminum 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 difference between Size A and Size B? \u003cstrong\u003eA:\u003c\/strong\u003e Size A pistons are the standard bore size for new or minimally worn cylinders, providing a factory-spec fit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Are rings and pins included? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, each piston kit comes with rings and a wrist pin, providing all necessary components for installation.\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":44949848293462,"sku":"SZ1F15892","price":340.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_f2b28ceb-7eee-426b-9363-fbf05584709a.jpg?v=1781400888","url":"https:\/\/www.solidspare.com\/products\/2-namura-size-a-standard-bore-piston-kits-for-polaris-850-atv-s-87mm","provider":"Solid Spare","version":"1.0","type":"link"}