73 Duster Steering Column question

[sundust]

I looking to convert my 73 duster 340 to either auto on the floor or 4 speed.What year(s) steering column will work? I've got power steering odes this make a difference. I'd like to find one with the key release lever. what year did they start making this type?

 

[limelite70]

71 to 75 columns are the same.
70 did not have the key release.
thang you, thang you very much . ah ha.

 

[sundust]

what years will fit may 73 Duster? Is there a part number I need to look for?