{"product_id":"knucklehead-rocker-box-seal-kit-for-1-head","title":"HARLEY Knucklehead Rocker Box Seal Kit for 1 Head Fits 1936-1940 EL, rear only","description":"Knucklehead rocker box cover kit is for conversion and will fit 1938-47 late model valve spring cover set on 1936-38 models.  Kit is for use on Knucklehead exhaust rocker shaft. Five piece kit includes one seal  steel extension tube and washers for 1 head. Washer has a 1.425 inch and 1.495 inch O.D.  the seal has a 1.32 inch and 1.486 inch O.D.  and the steel collar measures .87 inch in length. Rocker box seal kit has enough parts for one rear application. *NOTE: See photo for rocker arm clearance required for installaiton for rear exhaust rocker.   FITS HARLEY: 1936-1940 EL, rear only ","brand":"V-Twin","offers":[{"title":"Default Title","offer_id":46838507471036,"sku":"14-0455","price":75.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/4366\/7900\/files\/14-0455a.jpg?v=1779177128","url":"https:\/\/paniccycles.com\/products\/knucklehead-rocker-box-seal-kit-for-1-head","provider":"Paniccycles","version":"1.0","type":"link"}