Non self adjusting rear drum brakes on a Dart?

Murray said

These are early Chrysler single plane brakes and are adjusted by a "cam" accessed on the backing plate. Chrysler was the last holdout, resisting paying Bendix any royalties. It seems that something changed when they went to Brazil.

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Is that right? Chrysler sure sold some of their old version parts as brand new in their cars on other countries but this 76 Dart was top of the line back then, with thicker torsion bars and front sway bar (same as the ones on the 340's), front disk brakes, AC, etc... but that old drum brakes system...