Crank turning question

Ok so I looked at the new (refurbished) cranks and they have one for standard transmission and one for automatic. I know there is a difference in the bushings dia between the two and im kinda back and forth on doing a manual swap. So if I get the manual crank can I still use it with an automatic if I decide not to do the manual swap or if I use the auto until I can afford the manual? Or is the flywheel area cut differently?