Do they fit?

and fix any bumpsteer,or crappy scrubradius, that might occur, on the alignment rack... before the shakedown run.

But you're right; you asked if they would fit. And the answer is on 73 up bbp discs yes.
But just because they physically fit on the studs doesn't mean you should run them, and that statement has nothing to do with them being shiny or Chebby truck wheels..