When fabricating a custom exhaust for your next Born Free Shovelhead Chopper you will definitely need a set of these

#SHC-9016 7/16-14 x 1-1/4 length Chrome Socket Head Allen Bolt - 10 Pack

Available in 2 sizes

41882-52 nut

Linkert 3-Bolt Carb Throttle Conversion Kit 1936-39 Harley-Davidson Knucklehead and All Flatheads Subcategory_Saddlebags When fabricating a custom exhaustThose who are only familiar with slide carburetors such as Mikuni or Dell'Orto will have a new experience with a Linkert on Harley models such as Knucklehead, Panhead, or Flathead: The throttle lever is not pulled, but pushed with a rigid wire. Modern custom throttle grips, on the other hand, work by pulling. The Bates Throttle Conversion Kit makes it possible to combine pull type throttle cables with Linkert carburetors. It relocates the pivot point