I have looked into this a bit earlier and you may need a wiring harness from Hotwire Auto, TTi headers/motor mounts (unless you want to fabricate them), I know you can bolt one into a 727 or 904.

Well anyway, here is a tech article about a swap into an E-body:
https://board.moparts.org/ubbthreads/show...e=4#Post3930520

And here is another article I found:
http://www.carcraft.com/techarticles/ccrp_0905_hemi_engine_swap_guide/index.html