I used a Reid bellhousing. It's SFI rated, but I did have to trim off a small section to fit my headers.

I also went with the Stage 2 and adapter. If you plan on running lower gears than 3.91's with a lot of power, make sure you calculate your driveshaft's critical speed.

1970 Plymouth 'Cuda #'s 440-6(block in storage)currently 493" 6 pack, Shaker, 5 speed Passon, 4.10's
1968 Plymouth Barracuda Convertible 408 Magnum EFI with 4 speed automatic overdrive, 3800 stall lock-up converter and 4.30's (closest thing to an automatic 5 speed going)