The most reasonably priced component used on the Kaf450-b1 Mule1000 1988 Usa, Canada Gear Change Drum/shift Fork(s)(003436-) is the Bolt,6x12.
A sample from the products for the Gear Change Drum/shift Fork(s)(003436-) include: Rod-shift, Cam-change Drum, Drum-change, Bearing-ball,#6905.
The most expensive part in this assembly is the Fork-shift.