From what I've read and been told if you want the best, there's only one shop to consider. Keystone Automotive is the new name. They used to be called Northstar bumpers or something like that. They are in Wisconsin, (920)731-3030.

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)