there is a member here on moparts that sells them..he is out of Southern Cal..

I bought one...trying to find his name..

something like..

Jongottademon..or Jongottaduster..

Tony

70 AARCuda Vitamin C
71 Dart Swinger 360 10.318 @ 128.22(10-04-14 Bakersfield)
71 Demon 360 10.666 @122.41 (01-29-17 @ Las Vegas)
71 Duster 408 (10.29 @ 127.86 3/16/19 Las Vegas)