The Pin,gear Chnge Drum is the most widely applied product in the KZ550A1 1980 USA CANADA GEAR CHANGE DRUM & FORKS ('82-'8 ( five times ).
Check out any of the seventeen Gear Change Drum & Forks ('82-'8 components enlisted.
The Gear Change Drum & Forks ('82-'8 assembly is constructed from several parts from which the Drum-assy-change is the most expensive.