{"product_id":"s-s-knucklehead-tappet-block-front-silver","title":"S\u0026S, Knucklehead tappet block, front. Silver","description":"Cast 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.\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 36-47 Knucklehead; All S\u0026amp;S KN-series (Knucklehead style) engines\u003c\/p\u003e","brand":"S\u0026S","offers":[{"title":"Default Title","offer_id":54307886301511,"sku":"531597","price":514.01,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/7812\/0519\/files\/531597k.jpg?v=1784484013","url":"https:\/\/www.chopperessentials.com\/products\/s-s-knucklehead-tappet-block-front-silver","provider":"Chopper Essentials Co.","version":"1.0","type":"link"}