Scary steering shaft/coupler failure!

Be very careful in your choice references.
'66, '67, '68 columns are all different in minor but importqant ways. '68- to '69 I'm not as sure about. '70 is different again.
Master Technician Service Conference - Chrysler's Training for Mechanics
The 1970 Hamtramck Registry Library Page (1965 - 1969)