{"product_id":"mcs514001","title":"Manley High Lift Valve Spring Kit. .500\" to .650\" Lift – 1966–1984 Shovelhead","description":"\u003ch2\u003eManley High Lift Valve Spring Kit. .500\" to .650\" Lift – 1966–1984 Shovelhead\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\n\u003cp\u003e66-84 Shovelhead (NU)\u003c\/p\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\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","brand":"Manley","offers":[{"title":"Default Title","offer_id":57376952484227,"sku":"MCS514001","price":242.41,"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.com\/products\/mcs514001","provider":"Hogparts UK Ltd","version":"1.0","type":"link"}