It would appear not. It can be seen a short way down this page.
Ford Falcon Mercury Comet Steering Linkage Parts - MAC's Antique Auto Parts
They are quite differrent actually. A V8 pitman arm has a small ball joint and stud on the end, which is bolted to the drag link. A 6 cylinder pitman arm has two holes in it. One hole is for the drag link, while the other is for a tie rod.Is the pitman arm different on a 65 falcon 6 cyl than a 65 falcon 8 cyl ?