I replaced these bushings a few months back when I swapped in new LCAs (ended up using toyota parts, but I'm curious if
Beck-Arnley is OE supplier based off of what I found here ).
I had the right size mandrel but I had no luck pressing out the metal sleeve on the original bushings (my truck has almost 350K on it and these were the original parts so the metal sleeves were essentially rust-bonded to the subframe holes).
So I used the alternate method I've used on a number of vehicles

. I used a torch to de-bond the rubber from the sleeve then pushed the rubber out. Then used a sawzall to cut a slit in the inside of the metal bushing sleeve (don't need to break all the way through), then use an air chisel to break the sleeve and drive it out. Works every time and is super easy, each one out in ~10 min including torch time.
The spacer/washers on the bushings are to ensure the mount points in the subframe line up with the spacing on the LCA.