Leaf Springs and Suspension Parts by Auto and Truck Springs
Call and talk to Bob if you have any questions.
I replaced the rear hangers on my F350 several years ago. I used an angle grinder, hammer and punch to knock out the rivets. It took about 2 hours per side in my home garage.
Wear safety glasses, mask, long sleeve shirt, pants and a hat. It's a dirty job. Some hearing protection would help too.