{"product_id":"valve-in-spring-rmz450-rmx450z-28-sis3408-2","title":"Valve In\/Spring Rmz450+Rmx450Z 28.Sis3408-2","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":50562246508874,"sku":"25PTS030639","price":145.08,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0888\/8949\/1786\/files\/ed6424d1d27a451ef1bc1b18a8a97910_600_0395aa19-0470-425c-855b-64d9b88e831a.webp?v=1751979461","url":"https:\/\/throttleandgear.com\/products\/valve-in-spring-rmz450-rmx450z-28-sis3408-2","provider":"Throttle \u0026 Gear Co. Ltd.","version":"1.0","type":"link"}