{"product_id":"namura-standard-bore-piston-kit-fits-polaris-1990-1993-350-2-stroke-atv-s-80mm","title":"Namura  Standard Bore Piston Kit fits Polaris 1990-1993 350 2-Stroke ATV's 80mm","description":"\u003ch2\u003eNamura Standard Bore Piston Kit for Polaris 350 2-Stroke ATV\u003c\/h2\u003e\u003cp\u003eThis standard bore piston kit replaces the original piston on Polaris 350 2-stroke ATV engines, featuring an 80mm diameter for 1990-1993 models to restore compression and power.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis standard bore piston kit from Namura is designed to fit Polaris 350 2-stroke ATV engines from 1990 to 1993. It includes a high-quality piston, rings, wrist pin, and circlips for a complete rebuild. The 80mm bore size matches OEM specifications, making it a reliable choice for restoring engine performance.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined 80mm piston for exact fit\u003c\/li\u003e\n\u003cli\u003eIncludes rings, wrist pin, and circlips for full installation\u003c\/li\u003e\n\u003cli\u003eConstructed from durable aluminum alloy for longevity\u003c\/li\u003e\n\u003cli\u003eDesigned to match OEM compression and clearance specs\u003c\/li\u003e\n\u003cli\u003eHelps restore lost power and improve throttle response\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Polaris 350 2-Stroke ATV (1990-1993)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCommonly used in trail riding and utility ATV applications\u003c\/li\u003e\n\u003cli\u003eEssential for rebuilding high-mileage Polaris 350 engines\u003c\/li\u003e\n\u003cli\u003eSuitable for recreational and farm use\u003c\/li\u003e\n\u003cli\u003eOften used by ATV enthusiasts restoring vintage models\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\u003e80mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolaris 350 2-Stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eYears\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1990-1993\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Bore Piston Kit\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\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this piston kit include rings? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the kit typically includes piston, rings, wrist pin, and circlips for a complete installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What is the compression ratio? \u003cstrong\u003eA:\u003c\/strong\u003e The compression ratio is designed to match OEM specs for reliable performance.\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":44890935787606,"sku":"SZ1F13627","price":175.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_ab725040-8348-428b-86b1-b1a56b2a4df6.jpg?v=1781144373","url":"https:\/\/www.solidspare.com\/products\/namura-standard-bore-piston-kit-fits-polaris-1990-1993-350-2-stroke-atv-s-80mm","provider":"Solid Spare","version":"1.0","type":"link"}