{"product_id":"mcs524592","title":"Kibblewhite KPMI, Valve Spring Kit. .400\" Lift. Steel Top Collars – 57-E83 XL Sportster","description":"\u003ch2\u003eKibblewhite KPMI, Valve Spring Kit. .400\" Lift. Steel Top Collars – 57-E83 XL Sportster\u003c\/h2\u003e\n\u003cp\u003eReduces total valve train mass. Great for OEM rebuilds with stock specifications. The springs are manufactured from the highest quality clean chrome silicone wire; shot peened and heat treated for maximum fatigue life. Kit includes springs; upper collars; lower collars; and valve keys. Max valve lift: .400\". Installed height: 1.245\". Seat pressure 95 lbs. Open pressure: 330 lbs. @ .400\" valve lift.\u003c\/p\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003e57-E83 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 Kibblewhite\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 524592\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kibblewhite","offers":[{"title":"Default Title","offer_id":57377359298947,"sku":"MCS524592","price":130.58,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1329\/4265\/files\/524592k_f8fa6b31-96ce-45c5-80ef-9cb78e092337.jpg?v=1775579878","url":"https:\/\/hogparts.com\/products\/mcs524592","provider":"Hogparts UK Ltd","version":"1.0","type":"link"}