Rear drum brakes
Found the thread
Rear brake drums
According to this it was a strike, and the brakes used were 11x2”. So, measure your brake shoes. If they’re only 2” wide then you’ll need 11x2” drums, as those backing plates are different than the more popular 11x2.5” so you can’t mix and match drums.
Here’s a link if they are 11x2’s.
Bendix Brakes Brake Drums PDR0187