Rockies, and rockers. I'm sure there have been a few rockers at red rocks.
I'm in the middle of this right now. I trimmed the flange off and will butt weld/blend with the cab corner.
Now don't get me started on REPRODUCTION parts. They need to come with a disclaimer, "part is just a representation of original". Have to do a little slice and dice to make me happy with the fit. It is off by 3/8".