My brother and I have Hedman shorties on our C-body '76 New Yorker and they were a pretty easy install. The only problem was with the starter, and luckily we had a ministarter lying around, so they cleared.

1971 Dodge Charger SE 470/727/3.91 Suregrip
2016 Dodge Challenger Hellcat, 6-speed
1980 Pontiac Trans Am, Y84, WS6
2002 Ram 2500 Cummins/6-speed/2WD/QC
1971 Ford F-350 Ranger