{"product_id":"moose-offroad-yamaha-wr450f-yz450f-valve-and-spring-kit-part-m80-80950","title":"MOOSE OFFROAD Yamaha WR450F \u0026 YZ450F Valve and Spring Kit (Part M80-80950)","description":"Valve and Spring Kit - Yamaha WR450F | YZ450F\n\u003cp\u003eUpgrade your Yamaha WR450F or YZ450F with the MOOSE OFFROAD Valve and Spring Kit, designed for enhanced durability and performance. This kit includes precision-engineered stainless steel components that replace your stock intake valves with long-life Black Diamond™ or White Diamond® valves, significantly extending the lifespan of your valve train and intake components by up to four times compared to OEM titanium parts. The components are crafted to not only outperform OEM parts in durability but also to improve airflow and overall engine efficiency, resulting in better power output and responsiveness.\u003cbr\u003eEach valve and spring assembly is created using advanced Finite Element Analysis (F.E.A.) software, combined with proprietary camshaft and spring design tools. This ensures that every component is precisely engineered for optimal performance and durability, tailored specifically to your motorcycle’s application. The kit is made in the USA, adhering to strict quality standards to provide reliable, long-lasting performance. Whether you're a competitive rider or a serious enthusiast, this upgrade helps maximize your engine’s potential while reducing maintenance intervals and improving overall engine longevity.\u003cbr\u003eInstallation of this valve and spring kit is straightforward for experienced mechanics, offering a significant upgrade over OEM parts. With improved flow characteristics and enhanced durability, this kit helps your Yamaha WR450F or YZ450F perform at its best during demanding riding conditions. Trust in the MOOSE OFFROAD brand for quality parts that are designed to meet the rigorous demands of off-road riding and racing, ensuring you get the most out of your motorcycle every ride.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eIncludes stainless steel intake valves designed for long-lasting performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eExtends valve train and intake component lifespan by up to 4 times compared to OEM titanium parts\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesigned to improve airflow and engine performance over stock components\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eManufactured using Finite Element Analysis (F.E.A.) and proprietary camshaft and spring analysis software\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSpecifically engineered and tested for Yamaha WR450F and YZ450F models\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMade in the USA with strict quality standards\u003c\/li\u003e\u003c\/ul\u003e","brand":"MOOSE OFFROAD","offers":[{"title":"Default Title","offer_id":45191782039747,"sku":"09262459","price":307.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/6052\/2435\/files\/moose-offroad-yamaha-wr450f-yz450f-valve-and-spring-kit-part-m80-80950-7893754.png?v=1781195648","url":"https:\/\/kellymotorsport.com\/products\/moose-offroad-yamaha-wr450f-yz450f-valve-and-spring-kit-part-m80-80950","provider":"Kelly Motorsports","version":"1.0","type":"link"}