{"product_id":"knucklehead-ul-frame-kit","title":"HARLEY Knucklehead UL Frame Kit Fits 1938-1940 UL,   1938-1940 EL,","description":"Replica frame is an authentic reproduction of the factory style featuring 13 brazed joints. The 28� rake neck angle will accept inline spring forks. Features original DIF forging marks on the left side of the neck.  Frame will accommodate Knucklehead or Big Twin Flathead engine and 3 or 4-speed transmission. Horizontal frame cross bar features 7\/8 inch O.D. tubing. Frame includes seat post  mechanical brake cross shaft  rear axle assembly  transmission plate and a motor alignment plate for safer shipping. Cross shaft bushings  seat post bushing  correct tool box mount  and grease fittings are pre-installed.Updated Knucklehead frame features forgings with the markings  inchHot Forged inch in place. Forged parts include: Neck  front and rear motor mounts  yoke  side car loops  and rear axle plates. For original look on rear axle plates  the rear brake slot on the left side must be cut out at the front. We have left this  inchclosed inch for the builder to remove as desired.   FITS HARLEY: 1938-1940 UL,   1938-1940 EL,   ","brand":"V-Twin","offers":[{"title":"Default Title","offer_id":46840163008700,"sku":"55-0555","price":4918.78,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/4366\/7900\/files\/image_coming_soon_copy_86733a65-f007-4591-b238-e2405ee44cdd.jpg?v=1779439356","url":"https:\/\/paniccycles.com\/products\/knucklehead-ul-frame-kit","provider":"Paniccycles","version":"1.0","type":"link"}