{"product_id":"2-namura-040-over-bore-piston-kits-fits-polaris-sportsman-850-scrambler-88mm","title":"2 Namura .040 Over Bore Piston Kits fits Polaris Sportsman 850 Scrambler 88mm","description":"\u003ch2\u003e2 Namura .040 Over Bore Piston Kits for Polaris\u003c\/h2\u003e\u003cp\u003eThese two Namura .040 over bore piston kits are designed to fit Polaris Sportsman 850 and Scrambler models with an 88mm bore. They provide a reliable replacement for worn pistons during engine rebuilds.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThese Namura .040 over bore piston kits include two piston assemblies engineered for Polaris Sportsman 850 and Scrambler ATVs with an 88mm bore. Each kit comes with piston rings and wrist pins for a complete top-end overhaul. They are an economical choice for restoring compression and performance in high-mileage engines.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eHigh-strength aluminum alloy construction for durability\u003c\/li\u003e\n\u003cli\u003ePrecision-machined to .040 oversize for resurfaced cylinders\u003c\/li\u003e\n\u003cli\u003eIncludes piston rings with proper end gap for reliable sealing\u003c\/li\u003e\n\u003cli\u003eLightweight design reduces reciprocating mass\u003c\/li\u003e\n\u003cli\u003eHeat-treated for improved thermal stability\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 Scrambler (with 88mm bore)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eEngine rebuilds for ATVs used in trail riding and utility work\u003c\/li\u003e\n\u003cli\u003eRestoring power and efficiency in high-mileage Polaris engines\u003c\/li\u003e\n\u003cli\u003ePerformance restoration after cylinder reconditioning\u003c\/li\u003e\n\u003cli\u003eFarm and ranch vehicle 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\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\u003eOversize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.040 inch (1.0 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e88 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNamura\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Models\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolaris Sportsman 850, Scrambler\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 Are these piston kits complete with rings and pins? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, each kit includes the piston, rings, and wrist pin – everything needed for a full top-end overhaul.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to recondition the cylinder before installing these .040 over pistons? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, these oversized pistons are intended for use after the cylinder has been bored to 88mm, so professional machining is required.\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":44949848490070,"sku":"SZ1F15898","price":340.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_93f7081c-abc6-450d-9243-060a4f6b6828.jpg?v=1781400895","url":"https:\/\/www.solidspare.com\/products\/2-namura-040-over-bore-piston-kits-fits-polaris-sportsman-850-scrambler-88mm","provider":"Solid Spare","version":"1.0","type":"link"}