Where'd you send it or did you do it yourself?
Somewhere I've got a link for a source for do it yourself stuff. They claim it's as good as the professionally applied coating.
Sic friatur crustulum
'84 GW with Nissan SD33T, early Chev NV4500, 300, narrowed Ford reverse 44, narrowed Ford 60, SOA/reversed shackle in fornt, lowered mount/flipped shackle in rear.