{"product_id":"s-s-cast-iron-valve-guides-for-knucklehead","title":"S\u0026S Cast Iron Valve Guides for Knucklehead","description":"\u003cp\u003eThese valve guides are standard on S\u0026amp;S KN-series engines and also fit in stock 1936 thru 1947 OHV Knucklehead Big Twin. Valve guides have a smaller than stock upper diameter to accommodate for S\u0026amp;S High Lift valve springs. Sold each.\u003c\/p\u003e\n\u003cp\u003eStandard size cast iron valve guide (OEM 18181-36, 18185-40)\u003c\/p\u003e\n\u003cp\u003eValve Guide In\/Ex BT36-47 Std.\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Engine\u003c\/li\u003e\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":62568648278346,"sku":"782747","price":33.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/standard-rgba_f9672225-d019-42cb-ba2d-43e645eca05a.png?v=1782777124","url":"https:\/\/partsdenmark.de\/products\/s-s-cast-iron-valve-guides-for-knucklehead","provider":"Parts Denmark","version":"1.0","type":"link"}