Factory Step Bumper or Prev Owner mod?

[WhippinSaw]

Originally Posted by shp4man

You know, from looking at those pictures, i think my truck might have one of those option sheet step bumpers. Interesting.

Mine was from a fleetside, you can modify the barden bumpers, but it was not easy.
It Appears bumpers were interchangeable back in the day,
Most likely all those bumpers are not modified, just to easy to grab a junkyard dog.