Originally Posted by big gear head
The drum brakes on that rear end are larger than most cars. There are some early Camaro and Chevelle people who want to swap to the larger drums, so you might be able to sell those brakes and get a little money out of them. I think you have the 11 inch drums and the early Camaro and Chevelle had 9 inch drums.
You are correct. Most of the 73-77 A-body cars came with 11x2 rear brakes. The drums have the correct 4.75" bolt circle to use on the earlier cars. This is a nice upgrade from the stock 9.5x2 brakes on those cars.