maybe you guys from cali could help me. converting new race bike to stunter and selling race stuff. got a hindle 1/2 system tryin to sell and one of the guys asked me if it had an o2 bunk. what in the world is that. is that a whole or mount for an 02 sensor california makes you guys run. any input please.

 

o2 bunK? or o2 bung?

Sounds like you have the right idea.. He wants to know if it has the hookup to install the o2 sensor or not

 

thanks thats what i figured