{"product_id":"namura-standard-bore-size-a-top-end-kit-for-polaris-sportsman-450-2017-2025-93mm","title":"Namura Standard Bore Size A Top End Kit for Polaris Sportsman 450 2017-2025 93mm","description":"\u003ch2\u003eNamura Standard Bore Size A Top End Kit for Polaris Sportsman 450\u003c\/h2\u003e\u003cp\u003eThis Namura standard bore size A top end kit is designed for Polaris Sportsman 450 ATV models from 2017 to 2025, providing essential components for a top-end rebuild.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis top end kit includes a piston, rings, wrist pin, and gaskets for the Polaris Sportsman 450, ensuring a reliable engine overhaul. The kit is sized as standard bore A with a 93mm piston diameter, maintaining original specifications. It is an ideal choice for restoring performance in your Polaris ATV.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eStandard bore size A piston for factory-spec compression\u003c\/li\u003e\n\u003cli\u003eHigh-quality piston rings for efficient sealing\u003c\/li\u003e\n\u003cli\u003eIncludes wrist pin and circlips for secure installation\u003c\/li\u003e\n\u003cli\u003eComplete gasket set for a dependable seal\u003c\/li\u003e\n\u003cli\u003eManufactured to Namura's precision standards\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Polaris Sportsman 450 2017\u003c\/li\u003e\n\u003cli\u003efor Polaris Sportsman 450 2018\u003c\/li\u003e\n\u003cli\u003efor Polaris Sportsman 450 2019\u003c\/li\u003e\n\u003cli\u003efor Polaris Sportsman 450 2020\u003c\/li\u003e\n\u003cli\u003efor Polaris Sportsman 450 2021\u003c\/li\u003e\n\u003cli\u003efor Polaris Sportsman 450 2022\u003c\/li\u003e\n\u003cli\u003efor Polaris Sportsman 450 2023\u003c\/li\u003e\n\u003cli\u003efor Polaris Sportsman 450 2024\u003c\/li\u003e\n\u003cli\u003efor Polaris Sportsman 450 2025\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eEngine top-end rebuilds for utility ATV use\u003c\/li\u003e\n\u003cli\u003eRestoring compression in high-mileage Sportsman 450 engines\u003c\/li\u003e\n\u003cli\u003eReplacing worn piston and rings during routine 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\u003eKit Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTop End Kit (Standard Bore Size A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e93mm\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 450 (2017-2025)\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 kit include a cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e No, this is a top end kit that includes piston, rings, wrist pin, and gaskets; the cylinder must be reused or replaced separately.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What is the difference between size A and other sizes? \u003cstrong\u003eA:\u003c\/strong\u003e Size A is a standard bore piston grade; always confirm your cylinder's condition and select the appropriate size for proper 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":44949840625750,"sku":"SZ1F15698","price":329.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_630c2508-0a4e-4af5-ba3d-e4d69d7f5787.jpg?v=1781400100","url":"https:\/\/www.solidspare.com\/products\/namura-standard-bore-size-a-top-end-kit-for-polaris-sportsman-450-2017-2025-93mm","provider":"Solid Spare","version":"1.0","type":"link"}