{"product_id":"kit-ex-valve-spring-yzf450-prox-28-ses2444-1","title":"KIT EX VALVE+SPRING YZF450, PROX 28.SES2444-1","description":"\u003cp\u003eProx Steel Exhaust Valve\/Spring Kit \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\u003c\/p\u003e \u003cp\u003econtain 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 and valve seats.\u003c\/p\u003e \u003cp\u003e\u003cbr\u003e Yamaha YZ450F (2014-2015),\u003c\/p\u003e \u003cp\u003ePROX 28.SES2444-1\u003c\/p\u003e","brand":"ORO2U","offers":[{"title":"Default Title","offer_id":57206189883765,"sku":"65-K104.PX","price":175.86,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5011\/6136\/files\/65-k104-px.jpg?v=1779150539","url":"https:\/\/www.smxoffroad.com\/products\/kit-ex-valve-spring-yzf450-prox-28-ses2444-1","provider":"SMXOFFROAD Ltd","version":"1.0","type":"link"}