JW Performance will be offering a Turbo 400 with an ultra case and ultra bell making it possible to bolt a turbo 400 directly to Mopar block (no adapter mid-plate).
The case and the bell are SFI certified so no additional shields will be needed.

http://www.racewithjw.com/
http://www.campbellenterprises.com/turbo-400-transmission-parts/th400-ultra-case-jw-32310.php