Drive shaft help

[ChevyCruizer]

I have never owned anything with a 2 piece drive shaft and need to know if this one will work for me.

I recently bought a 68 C20 longbed with no drive train (engine, tranny, drive shaft). I have an "extra" small block that is ready to go and a TH350 tranny that needs a rebuild. But...I was at pick-a-part the other day and they just got in a 71 C20 that was complete. It had a TH400 tranny (that looked recently rebuilt) and the driveshaft and tranny crossmember. I figured I could easily throw the tranny and drive shaft on the truck and not worry about having to do to a drive line shop. So I grabbed all of that stuff to include the kickdown harness, etc.

I might have jumped the gun a little because the crossmember appears to be out of a 73+ and now looking at the drive shaft I dont know if it will work either. I dont see anywhere for the driveshaft to compress as the suspension moves.

Any ideas?

Thanks, John