Thanks for the pics, guys. It always amazes me to see pics of old car's frames and under bellies before being worked on and then what they look like after. A lot of work. Mine looks OK from the topside and under the hood but I kinda treat the under belly with the "out of sight out of mind" routine. Perhaps because I started to have a hard time getting up after laying under the car. Funny, it didn't seem to bother me that much ten years ago when I was only 57.
Those brackets were not on my car when I bought it. Exhaust was changed who knows when, and there were air shocks installed to keep up the sagging rear end. I'm finally installing the new springs I bought a couple years back and thankfully getting rid of the junk air shocks. I bought the bump stops about five years ago but they would not fit with the fat air shocks. I had installed 67 style bumps that go under the frame not attached to the side.
I hope the new springs keep the back-end up as high as I want and allow me to use the new Gas-a-just shocks I purchased yesterday.