{"product_id":"kit-valvulas-acero-y-muelles-de-escape-yamaha-yz450f-03-09-wr450f-03-15-yfz450-r-04-20-prox","title":"Steel valve and exhaust spring kit Yamaha YZ450F (03-09) + WR450F (03-15) + YFZ450 \/ R (04-20) ProX","description":"\u003cp\u003eValve and spring kit \u003cspan\u003eYZ450F (03-09) + WR450F (03-15) + YFZ450 \/ R (04-20) ProX\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTo replace OEM valves and valve springs\u003c\/li\u003e\n\u003cli\u003eNitrided steel valves for greater durability and less wear under extreme conditions\u003c\/li\u003e\n\u003cli\u003eStronger valve springs for the additional weight of steel valves.\u003c\/li\u003e\n\u003cli\u003eSprings made of vanadium-chromium steel for improved performance and superior durability at high revolutions\u003c\/li\u003e\n\u003cli\u003eThe kits contain a set of intake or exhaust valves plus a set of specially designed valve springs; they can be installed with OEM valve retainers, bases, and seals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGasGas EC 450 F 2013\u003c\/li\u003e\n\u003cli\u003eGasGas EC 450 F Racing 2014\u003c\/li\u003e\n\u003cli\u003eYamaha WR 450 F (03-15)\u003c\/li\u003e\n\u003cli\u003eYamaha YFZ 450 (04-09)\u003c\/li\u003e\n\u003cli\u003eYamaha YFZ 450 R (09-20)\u003c\/li\u003e\n\u003cli\u003eYamaha YZ 450 F (03-09)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv id=\"gtx-trans\" style=\"position: absolute; left: 130px; top: -16px;\"\u003e\n\u003cdiv class=\"gtx-trans-icon\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"PRO-X","offers":[{"title":"Default Title","offer_id":54305507901825,"sku":"28.SES2424-1","price":108.54,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0860\/6223\/5959\/files\/28.ses2424-1.jpg?v=1750265563","url":"https:\/\/motoscoot.net\/en\/products\/kit-valves-steel-and-springs-exhaust-yamaha-yz450f-03-09-wr450f-03-15-yfz450-r-04-20-prox","provider":"Motoscoot","version":"1.0","type":"link"}