{"product_id":"knucklehead-tappet-block-front-silver","title":"Knucklehead Tappet Block, Front Silver","description":"\u003cp\u003eCast iron tappet guide with a silver powder coated finish. Used in the S\u0026amp;S KN-series (Knuckle) engines; will also fit stock 36-47 Knucklehead engines. Includes gaskets and mounting hardware. Repl. 18600-36 front tappet guide. Note: See 531596 for front \u0026amp; rear set.Note: Special Order Product only. To order please contact your MCS sales representative.\u003c\/p\u003e\u003cp\u003e36-47 Knucklehead; All S\u0026amp;S KN-series (Knucklehead style) engines\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":43848894939356,"sku":"531597","price":399.59,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0648\/6881\/0972\/products\/new-ics-image_093e463b-c99f-47df-9afe-66068eec96d9.jpg?v=1679050963","url":"https:\/\/motosuperstore.co.uk\/products\/knucklehead-tappet-block-front-silver","provider":"Moto Superstore","version":"1.0","type":"link"}