{"product_id":"mcs514001","title":"Manley High Lift Valve Spring Kit. .500\" to .650\" Lift for 1966-1984 Shovelhead - 99225K","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\n\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\n\u003ch2\u003eFitment\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e66-84 Shovelhead (NU)\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Manley\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Motor parts \u0026gt; Valve springs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit:\u003c\/strong\u003e KIT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct code:\u003c\/strong\u003e 514001\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePart Numbers\u003c\/h2\u003e\u003cp\u003eMCS Part Number: 514001\u003cbr\u003eManufacturer Part Number: 99225K\u003c\/p\u003e","brand":"Manley","offers":[{"title":"Default Title","offer_id":57376952484227,"sku":"MCS514001","price":256.59,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1329\/4265\/files\/514001k_2efd4417-dfbc-4896-8e8a-dc003521507f.jpg?v=1775554208","url":"https:\/\/hogparts.co.uk\/products\/mcs514001","provider":"Hogparts UK Ltd","version":"1.0","type":"link"}