I bought the leveling pucks at a 4x4 show in socal last year. I do not remember, nor is the name of the manufacturer on them. The closest example of them in link below. I'll take a pic when I get home and upload.
https://www.roughcountry.com/ford-suspension-lift-kit-40100.html?utm_content=
I'm going to throw my 2 cents into the ring.
2 weeks ago I installed a 1.5" leveling "puck" (my terminaology) onto my wifes 2021 Badland bronco. The first 6 or so days everything was perfect. The sunday after install, 8ish days, the clunk started. Mainly on the drivers side. It was a very bad...