{"product_id":"manley-high-lift-valve-spring-kit-500-to-650-lift","title":"Manley, High Lift Valve Spring Kit. .500\" To .650\" Lift","description":"\u003cp\u003eIncludes titanium top collars; steel lower collars; valve springs and a valve key set. Machining required to lower the valve guide to avoid interference with the top collar. Special 3-spring design with interference fit to reduce harmonics and control spring surge. Springs have more pressure than stock. Pressure: 180lbs - 1.600\" \/ 365lbs -1.100\" \/ 415lbs - .950\". Coil bind: .850\"\u003c\/p\u003e","brand":"Manley","offers":[{"title":"Default Title","offer_id":50023173095752,"sku":"514001","price":296.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/514001.jpg?v=1778657435","url":"https:\/\/holydeath.com\/products\/manley-high-lift-valve-spring-kit-500-to-650-lift","provider":"Holy Death Motorcycle Co.","version":"1.0","type":"link"}