{"product_id":"namura-020-over-bore-piston-kit-for-polaris-300-xplorer-xpress-big-boss-75mm","title":"Namura .020 Over Bore Piston Kit for Polaris 300 Xplorer, Xpress, Big Boss 75mm","description":"\u003ch2\u003eNamura .020 Over Bore Piston Kit for Polaris\u003c\/h2\u003e\u003cp\u003eThis .020 over bore piston kit from Namura is a direct replacement for Polaris 300 ATVs, providing a 75mm bore size to restore engine compression and power.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis .020 over bore piston kit is designed to refresh the top end of Polaris 300 engines. It includes a piston, rings, and pin for a complete rebuild. Whether for the Xplorer, Xpress, or Big Boss, this piston kit delivers like-new performance.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision machined .020 oversize piston for exact fitment\u003c\/li\u003e\n\u003cli\u003eIncludes piston, rings, and pin for a complete top-end kit\u003c\/li\u003e\n\u003cli\u003eHigh-strength aluminum alloy for durability\u003c\/li\u003e\n\u003cli\u003e75mm bore designed for Polaris 300 models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Polaris 300 Xplorer\u003c\/li\u003e\n\u003cli\u003efor Polaris 300 Xpress\u003c\/li\u003e\n\u003cli\u003efor Polaris Big Boss\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eEngine rebuilding for Polaris 300 ATVs\u003c\/li\u003e\n\u003cli\u003eRestoring power after piston wear\u003c\/li\u003e\n\u003cli\u003eTrail riding and utility use\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\u003e75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOversize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.020\"\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 does .020 over bore mean? \u003cstrong\u003eA:\u003c\/strong\u003e It indicates the cylinder has been bored 0.020 inches oversize, requiring this oversized piston for proper fit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this kit come with piston rings? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the kit includes piston, rings, and pin for a complete 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":44890815856726,"sku":"SZ1F13347","price":164.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_c10b723b-7a7d-46e4-9935-90b522e81ae9.jpg?v=1781144008","url":"https:\/\/www.solidspare.com\/products\/namura-020-over-bore-piston-kit-for-polaris-300-xplorer-xpress-big-boss-75mm","provider":"Solid Spare","version":"1.0","type":"link"}