I have two pieces that will eventually be chromed. One will be held
via a shoulder bolt and the other will have pressed in bushings.
Neither piece spins. they must rock back and forth at low speed and
very light load. Should I allow for chroming when I ream the holes or
ream them afterward. If afterward - how much material should I leave
or should I ream them to size and then ream them again after chroming.

Thanks
Jim