{"product_id":"prox-titanium-exhaust-valve-28-2444-1-for-yamaha-yz450f-and-wr450f","title":"PROX Titanium Exhaust Valve 28.2444-1 for Yamaha YZ450F and WR450F","description":"\u003cp\u003eThe PROX Titanium Exhaust Valve, part number 28.2444-1, is designed as a reliable replacement component for select Yamaha four-stroke off-road motorcycles. Manufactured to OEM specifications, this valve supports proper exhaust flow, combustion sealing, and dependable engine operation during demanding riding conditions.\u003c\/p\u003e\u003cp\u003eFitment includes the 2014–2019 Yamaha YZ450F and the 2016–2019 Yamaha WR450F. The valve is engineered for application-specific compatibility, helping restore the intended performance and serviceability of the motorcycle’s cylinder head. Verify the model year and engine configuration before installation to ensure correct fitment.\u003c\/p\u003e\u003cp\u003ePROX supplies this titanium exhaust valve individually for convenient replacement during cylinder head service or engine rebuilding. Its OEM-specification manufacturing makes it a suitable choice for maintenance and repair applications where precise fit and consistent function are required. Manufacturer and vendor part number: PROX 28.2444-1.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaterial: Titanium construction for the exhaust valve application\u003c\/li\u003e\n\u003cli\u003eManufacturing standard: Manufactured to OEM specifications\u003c\/li\u003e\n\u003cli\u003eFitment: 2014–2019 Yamaha YZ450F\u003c\/li\u003e\n\u003cli\u003eFitment: 2016–2019 Yamaha WR450F\u003c\/li\u003e\n\u003cli\u003eSelling unit: Valve sold individually\u003c\/li\u003e\n\u003cli\u003eBrand: PROX\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 28.2444-1\u003c\/li\u003e\n\u003cli\u003eVendor part number: 28.2444-1\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2014 Yamaha YZ450F\u003cbr\u003e\n2015 Yamaha YZ450F\u003cbr\u003e\n2016 Yamaha WR450F\u003cbr\u003e\n2016 Yamaha YZ450F\u003cbr\u003e\n2017 Yamaha WR450F\u003cbr\u003e\n2017 Yamaha YZ450F\u003cbr\u003e\n2018 Yamaha WR450F\u003cbr\u003e\n2018 Yamaha YZ450F\u003cbr\u003e\n2019 Yamaha WR450F\u003cbr\u003e\n2019 Yamaha YZ450F\u003cbr\u003e\n2020 Yamaha WR450F","brand":"PROX","offers":[{"title":"Default Title","offer_id":67553087717611,"sku":"19-9454","price":90.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/e5ae-6a51654e264ee_b51fd421-1a46-4ef3-9baa-98c12eea2fbb.jpg?v=1790741958","url":"https:\/\/ctracingservices.com\/products\/prox-titanium-exhaust-valve-28-2444-1-for-yamaha-yz450f-and-wr450f","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}