Transmission Swap; 700r4 to sm465

[bikes&bowties]

I have an '84 chevy k10 (4x4) with a 700r4 that is pretty much done. And not that it matters but its a 305 right now but i have the 350 im dropping in it already which is what the Sm465 would be going onto. Instead of spending money on something I dont want (an automatic transmission) I'd rather just swap it out for a manual (sm465) because to me if im going to be driving an old truck it only right for it to be a manual. I just have a few gaps im missing and after searching i know people have done this swap I just cant find exactly what i want.

List of what I know i need

SM465 with bellhousing
flywheel
pilot bearing
clutch pedal and linkage

Now what i dont know is..

Will I need a different crossmember
Im guessing a different transfer case depends on what spline mine is?
Will I need a different (taller) transmission tunnel..

Thanks!!