Putting a pickup bed on a c&c

[B_derK20]

I picking up a new square next week but I don't think I did enough research into what I was buying. It's an '87 V30 with no box or bed. I got it thinking it would be easy to just throw a regular long bed on it. The truck has a 2 piece drive shaft and a 14 bolt so I'm afraid it's a 60 inch c&c model and not 56 inch regular pickup.

How much of a hassle would it be to put a bed on this truck ?
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