Iron Wing Knovelhead rocker boxes 504810 Not For GMA "A" use

Not For GMA "A" use 1720-0198

Kit include top and lower collars

For internal throttle & hand controlled ignition advance

Front Fender RivetsHeavy-duty 1/4" x 5/16" stainless steel rivets

6cm) inside diameter

Iron Wing Knovelhead rocker boxes 504810 Not For GMA "A" useIron Wing Knovelhead rocker boxes Knucklehead style rocker boxes for all Shovelhead engines. It is stupendous how effectively the right side engine appearance is changed and how fast your good old Shovel will become a center conversation piece on every bike meet. Installation is very simple due to exact fitment. No additional parts are required because the complete stock valve train can be retained. However, installation of the Knovelhead rockerboxes