they work for all the Yokomo buggies like YZ-834B through MX-4

it’s exact replacement for ZC-107C 

Yokomo gold wing buttons repro.

CNC

made in south korea 

Please allow 1 - 3 business days for order processing after payment. Item(s) will be send via Regular Airmail.

7 - 14 business days for shipping to the U.S. 14 - 21 business days to most European Country 30 - 60 business days to Italy and France