Axle ID help

And keyed tapers for drum retention. Sometimes, drums get warped beyond usage by improper attempts at removal. As far as I know, replacement drums are nearly impossible to find now. I have a friend that just went with a Ford 8.8 in a 54 Belvedere with 31,000 original miles due to mangled rear drums. Originally designed for flathead six duty, the most positive things I have heard about these axles is that they are great for extra profit when hauling off a load of scrap iron and steel.