Ignition Lock

While installing the ignition in the Demon, noticed it wouldn't lock into place in the column. The style ignitiion I have has a small round pin that is supposed to click into a hole in the column. Well, there is no hole in this column......seems to be another style w/ a lever or something. What year column do I have so I know what year ignition lock setup I need to buy?

Here is a pic of what I have that seems incorrect for the column: