This set of levers will directly replace your early style that have a threaded stud. These have been manufactured specifically to replace the early lever that has a threaded stud, so subject to breakage, with a bolt style so you do not have to change your shifter levers, cover ect. to get to the best "Bolt Style" levers. Levers shown in top of photo are original "Stud" type levers, the bottom row of levers are the new top quality replacements that make your early Muncie "Bolt" style for strength without changing all of your shifter parts and such! Top quality "Auto Gear" parts to you from RiversideGear. Questions? Concerns? Technical help needed, it's all addressed here, and it's FREE! Hell, I'll even pay for the phone call TOLL FREE 1-877-614-GEAR the last four are 4327, but we kinda like GEAR!