That linkage looks like it’s for an automatic transmission. I’m posting pictures from the FAM of both setups.
Attachments
C5BBA1A0-5BF9-4AEB-8662-F0722C6F359F.jpeg (246.39 KB, 228 downloads)
5B1E3630-8CF2-413B-93A9-CD41322B8C83.jpeg (203.96 KB, 228 downloads)

Phil
Moderator, The Engine Shop, Interiors and Project Journals

1952 Chevrolet 3100, Three on the Tree, 4:11 torque tube
Updated to: ‘59 235 w/hydraulic lifters, 12v w/alternator, HEI, PCV and Power front Disc Brakes
Project Journals
Stovebolt Gallery Forum