{"product_id":"mcs513991","title":"Manley Valve Spring Kit. Std to .490\" Lift – 1957–1985 XL Sportster","description":"\u003ch2\u003eManley Valve Spring Kit. Std to .490\" Lift – 1957–1985 XL Sportster\u003c\/h2\u003e\n\u003cp\u003eIncl. steel top collars and dual spring style valve springs. No machining required for installation. 20% more pressure than stock and suitable for stock to .490\" lift applications. Valve springs have an interference fit to reduce harmonics and control spring surge. Pressure: 85lbs@1.310\"; 295lbs@.820\". Coil bind: .790\".\u003c\/p\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003e57-85 XL Sportster (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 513991\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Manley","offers":[{"title":"Default Title","offer_id":57376947077507,"sku":"MCS513991","price":130.17,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1329\/4265\/files\/513991k_c52ff812-4c98-40fd-a880-2f3a4df990ca.jpg?v=1775554213","url":"https:\/\/hogparts.com\/products\/mcs513991","provider":"Hogparts UK Ltd","version":"1.0","type":"link"}