{"product_id":"kit-ex-valve-spring-yzf250-prox-28-ses2402-1-gasgas-exhaust","title":"KIT EX VALVE+SPRING YZF250, PROX 28.SES2402-1 GASGAS, EXHAUST","description":"\u003cp\u003eProx Steel Exhaust Valve\/ HD Spring Kit.\u003c\/p\u003e \u003cp\u003e\u003cbr\u003e Prox is offering a wide range of titanium into steel conversion kits. The ProX titanium into steel extends 3 times the lifespan up the OEM titanium valves. The kits contain a set of steel intake or exhaust valves plus a set of special designed stronger valve springs. due to the extra weight of the steel valve a heavier valve spring must be used! The ProX kit just replaces the OEM valves \u0026amp; valve springs and can be installed using the OEM retainers, bases\u003c\/p\u003e \u003cp\u003eand valve seats.\u003c\/p\u003e \u003cp\u003eYamaha WR250F (2001-2013), Yamaha YZ250F (2001-2013),\u003cbr\u003e Gas-Gas EC250F (2010-2015), Gas-Gas EC300F (2013-2015),\u003c\/p\u003e \u003cp\u003ePROX 28.SES2402-1\u003c\/p\u003e","brand":"ORO2U","offers":[{"title":"Default Title","offer_id":57206186148213,"sku":"65-K100.PX","price":171.61,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5011\/6136\/files\/stock63577_1.jpg?v=1779150535","url":"https:\/\/www.smxoffroad.com\/es\/products\/kit-ex-valve-spring-yzf250-prox-28-ses2402-1-gasgas-exhaust","provider":"SMXOFFROAD Ltd","version":"1.0","type":"link"}