I need to know , After going to tractor supply bought the clutch thinking (extreme duty is what it is ) took it out of the package and went what the :censure::censure: started, to read on the site they are not .Im old my wife looked at me when I brought it home looked at me why at 55 do you need a mini bike ! had 1 when I was a kid .The cluch as I remember the clutch was keyed to the shaft allen to the key the bearing was in the middle of the fixed shaft and the drum :shrug: I just about wanted to pitch it out the window.IF used hard you will tear out the fixed key . sorry for the rant I guess 53.00 is what you get, need to know .what you guys are running , dont laugh is there 1 made in the U.S.A. ,old bonanza 5hp but more power in the future . if it aint fast its no fun . Thanks for reading blownnovajoe If ya got 1 used E mail gassernova@yahoo.com