New Dana 60 Help please

Not necessarily. I have a Dana 70U under my rat truck that came from a 93 D350.
I also have a Dana 70U that I took out of an ‘90 D250. It HAD 32 splined axles, that I threw away and went with chromoly 35 splines and a Detroit Locker. That’s for my ‘74 W200 you may read about my build in the forums hopefully soon.