1974 Duster power brake master cylinder push rod needed.

Nirvana - bad news. The rod you pulled won't work in my car, unfortunately. My rod has a wide flared collar around it, as seen in the photo above. This collar is what the vacuum diaphram in the booster pushed on. Without it, there would be no power assist for my braking. There were two manufacturers of brake boosters back then: Midland and Bendix. I think we might have boosters from different manufacturers. I really appreciate all the work pulling it, bit I have to make sure that my car will stop correctly so I'll keep looking. Again, thanks very much for checking!