I used the rear sway bar from Firm Feel. It fit as designed, in spite of using the same Dr Diff inset hanger solution. You can almost see the alignment of the links here.

slapper bar 5.jpeg
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)