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Real simple there Bud. Get everything you just mentioned from the same donor in that wrecking yard. Driveshafts, A/T steering column,etc. BUT, there were no A/T 4X4's in the Bump body style. You will have to swipe them from a Dent. Which has a longer wheelbase.
I would consider TP Daniels thread on building his F-250 as the ultimate primer on converting a 4x4 Bump to an automatic. Do a search and look at it. for loads of info.