{"product_id":"valve-ex-spring-kx250f-rmz250-28-ses4335-1","title":"Valve Ex\/Spring Kx250F+Rmz250 28.Ses4335-1","description":"Valve and Spring Kit\u003cli\u003eReplaces the OEM valves and valve springs\u003c\/li\u003e\u003cli\u003eSteel, nitrided valves for increased durability and less wear under extreme conditions\u003c\/li\u003e\u003cli\u003eStronger valve springs deal with the extra weight of the steel valves\u003c\/li\u003e\u003cli\u003eSprings are made from premium chrome vanadium steel for higher performance and durability at high rpm\u003c\/li\u003e\u003cli\u003eKit contains a set of steel intake or exhaust valves plus a set of specially designed valve springs; can be installed using the OEM retainers, bases and valve seals\u003c\/li\u003e","brand":"PRO X","offers":[{"title":"Default Title","offer_id":50562231599434,"sku":"25PTS030658","price":157.29,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0888\/8949\/1786\/files\/21ac2fdab62a3d7bcad0fe9c13008bd5_600.webp?v=1751979473","url":"https:\/\/throttleandgear.com\/products\/valve-ex-spring-kx250f-rmz250-28-ses4335-1","provider":"Throttle \u0026 Gear Co. Ltd.","version":"1.0","type":"link"}