Correct steering column for floor shift car

[Twisted71]

Hello all,

I have a 71 Twister that I am putting back to its original floor shift configuration. Sometime in it's life, it was made into a column shift car
with 727 automatic. My question is this... What year did Plymouth start
putting the “column lock, thumb lever ring” that is next to the ignition key switch? I want to find the correct floor shift steering column and I know in the late 60's and in 1970, the a-bodies did not have the ignition lock out ring.
Did 71's have it?
Thank you in advance for any clues you can provide! :scratch:

 

[DragginMAster]

they did not put the "key on the side of the column" until 70

before that iginition was on dash, could not lock the column at all. I would imagine that the lockout began in 70, however. I am not an expert