{"product_id":"mcs524595","title":"Kibblewhite KPMI, Valve Spring Kit. .600\" Lift. Steel Top Collars for 1966-Early 1979 Shovelhead - 20-20450","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eReduces total valve train mass. Great for high lift racing performance builds. 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: .600\". Installed height: 1.510\". Seat pressure 152 lbs. Open pressure: 387 lbs. @ .600\" valve lift. Note: Does not include valve guide seals.\u003c\/p\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e66-E79 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 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 524595\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePart Numbers\u003c\/h2\u003e\u003cp\u003eMCS Part Number: 524595\u003cbr\u003eManufacturer Part Number: 20-20450\u003c\/p\u003e","brand":"Kibblewhite","offers":[{"title":"Default Title","offer_id":57377359495555,"sku":"MCS524595","price":149.56,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1329\/4265\/files\/524595k_4fe67290-466e-4f89-ad95-37afa34747d2.jpg?v=1775579875","url":"https:\/\/hogparts.co.uk\/products\/mcs524595","provider":"Hogparts UK Ltd","version":"1.0","type":"link"}