Neglected Mopar guy!!
Hey check this link out, this is a full independent bolt in K-member for a E-body!! 9REaD) no torsion rods, QA coil overs and Rack and pinion.
Its called the Alter Ktion Kmember pretty slick set up, RMS makes them for the A's, B's and the E's.
heres the link
https://www.reillymotorsports.com/
they put one under the 1969 Roadrunner Sledgehammer from TLC's Rides
The rear would be up to you , I would suggest however to simulate what they do to the Camaros in the pro-touring builds, since they also have rear leafs.
I hope this helps