1966 Commando 273 linkage pictures

Not my car, off a 66 belvedere 318 I saw at a show. I'm in the same boat, fabbing up a clean linkage assembly for a 4bbl and was doing research. Looks like the 273 kickdown bracket, maybe gives you an idea.

View attachment 1715799118
That one needs this extension and remove the nut and bolt. Edelbrock 8004

kickdown adapter.jpg