anyone on here that rebuilds mopar sure grip chunks?

If the pinion bearings are fine, and you are not replacing bearings, just put the new clutches in the carrier and put it back in. You will need to adjust the backlash on the ring/pinion but that is easily done with a dial indicator. I know a lot of guys will just mark the adjusters and put them back in the same spot they were in.

Make sure you keep the bearing caps on the correct side and correct orientation. (should be stamped anyway)