They aren't packed yet. If buying several, I would put them on a pallet. Probably with some old pans to protect the bottom. At a minimum some carboard between cases sandwiched together.
I have 4 on hand and am picking up more later this week.
The dust cover bolts are drilled like a 4x4 case. Not sheetmetal screws but actual threaded bolts.
cadillac application?