{"product_id":"2-namura-040-over-bore-pistons-top-gasket-kit-scrambler-1000-sportsman-91-5mm","title":"2 Namura .040 Over Bore Pistons \u0026 Top Gasket Kit Scrambler 1000 Sportsman 91.5mm","description":"\u003ch2\u003e2 .040 Over Bore Pistons \u0026amp; Top Gasket Kit for Namura\u003c\/h2\u003e\u003cp\u003eThis set includes two .040 over bore pistons and a top gasket kit for Polaris Scrambler 1000 and Sportsman models, providing a performance enhancement or replacement for worn engines requiring oversized pistons.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThese .040 over bore pistons and top gasket kit for Namura are designed to restore or increase engine displacement in Polaris Scrambler 1000 and Sportsman machines. The 91.5mm bore size allows for a precise fit after cylinder boring, making them ideal for engines that have been honed or rebored. This comprehensive kit includes pistons, rings, and gaskets for a complete top-end rebuild.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eOversized .040 over bore pistons for increased displacement and compression\u003c\/li\u003e\n\u003cli\u003ePrecision-machined from Namura's aftermarket manufacturing process\u003c\/li\u003e\n\u003cli\u003eIncludes high-quality piston rings for optimal sealing\u003c\/li\u003e\n\u003cli\u003eComplete top gasket kit with head gasket, base gasket, and seals\u003c\/li\u003e\n\u003cli\u003e91.5mm bore size requires cylinder boring to specification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Polaris Scrambler 1000\u003c\/li\u003e\n\u003cli\u003efor Polaris Sportsman 1000\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eUsed for rebuilding engines that have been bored to .040 over size\u003c\/li\u003e\n\u003cli\u003eCommon in high-performance ATV and UTV applications\u003c\/li\u003e\n\u003cli\u003eSuitable for restoring compression in worn-out cylinders\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\u003e91.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverbore\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.040 (1.0mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOver Bore\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 Pistons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncludes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTop Gasket Kit\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 bore my cylinders to use these pistons? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, these .040 over pistons require the cylinder to be bored to 91.5mm. Always have a machine shop check fitment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Are these pistons compatible with the Polaris Scrambler 1000? \u003cstrong\u003eA:\u003c\/strong\u003e They are designed for Polaris Scrambler 1000 models with the appropriate engine, but verify your engine serial number for correct clearance.\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":44949980282966,"sku":"SZ1F16617","price":534.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_2514ba2c-a094-453a-a3d7-17536aeec502.jpg?v=1781401811","url":"https:\/\/www.solidspare.com\/products\/2-namura-040-over-bore-pistons-top-gasket-kit-scrambler-1000-sportsman-91-5mm","provider":"Solid Spare","version":"1.0","type":"link"}