{"product_id":"cylinder-works-yamaha-yz450f-yz450fx-standard-bore-cylinder-kit-part-cw20012k01","title":"CYLINDER WORKS Yamaha YZ450F \u0026 YZ450FX Standard Bore Cylinder Kit Part CW20012K01","description":"\u003cp\u003eUpgrade your Yamaha YZ450F or YZ450FX with the Cylinder Works standard bore cylinder kit, designed for optimal performance and durability. This comprehensive kit includes a high-quality cylinder, piston kit, and gaskets, providing everything needed for a seamless installation. Crafted from nickel silicon carbide plated material, the cylinder offers increased longevity and resistance to wear, ensuring your engine maintains peak performance over time. The design closely resembles the stock cylinder, making it an ideal replacement that fits directly without modifications.\u003cbr\u003eDesigned for standard bore applications, this kit is compatible with models from 2018 to 2020, including the YZ450F and YZ450FX. The included Vertex piston is matched to the cylinder to optimize engine performance and reduce noise, giving you a smoother ride and increased reliability. The kit is suitable for both complete standard bore and high compression upgrades, providing flexibility depending on your riding needs. The inclusion of gaskets ensures a proper seal, and the no-machine-work requirement simplifies the installation process, saving you time and effort.\u003cbr\u003eFor those seeking to restore or enhance their engine, replacement pistons, gaskets, and rings are also available separately. Please note that the top end gasket kit does not include valve stem seals. Whether you're rebuilding or upgrading, this cylinder kit offers a durable, high-performance solution that maintains the factory look while delivering improved longevity and power.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eComplete standard bore kits for reliable engine restoration\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes cylinder, piston kit, and gaskets for a full rebuild\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eNickel silicon carbide plating for extended lifespan\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMatching Vertex pistons for performance and noise reduction\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eNo machine work needed for installation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesigned to fit 2018-2020 Yamaha YZ450F and YZ450FX models\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFits,\u003cbr\u003e\nYamaha YZ450F 2018\u003cbr\u003e\nYamaha YZ450F 2019\u003cbr\u003e\nYamaha YZ450FX 2019\u003cbr\u003e\nYamaha YZ450FX 2020","brand":"CYLINDER WORKS","offers":[{"title":"Default Title","offer_id":54032707453123,"sku":"422-20012K","price":788.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/6052\/2435\/files\/0d26-5db8613bc0e85.jpg?v=1781434566","url":"https:\/\/kellymotorsport.com\/products\/cylinder-works-yamaha-yz450f-yz450fx-standard-bore-cylinder-kit-part-cw20012k01","provider":"Kelly Motorsports","version":"1.0","type":"link"}