I run US Radiators in both my Mopars, as I hate the look of aluminum radiators in old cars.

I called and told them what I was running, and they built & shipped me radiators that work very well. They look stock, but they cool a 700 hp RB and a 500hp Magnum with A/C on both.

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)