8" A-1 and Griner, All the converter companys do a good job with their products. With Marv selling his interest In A-1, I would probably lean towards T/A, Those guys have been doing Mopar for a very long time. As far as the brake?! I like the Griner. It's fast, consistent and expensive but it has won me a LOT of races.
As far as availibility, here are a couple of numbers:
Keith @ www727 Specalists.com -219-718-3542
kfl727specialist@peoplepc.comLonnie @ wwwExtreme Automatics.com -513-898-0553
Lonnie@extremeautomatics.com