Maybe the PO was Cuban. Have you ever seen what those cats will do to keep a car running...amazing and unbelievable. The only new vehicles in that little island paradise belong to the government and party insiders. The new parts business is practically nonexistent (embargo), so creativity and "repurposing" is the name of the game there....
...or maybe the guy was just a hack.
Ring up Bouchillon Performance Engineering for new pulleys and brackets.
Yeah, Cubans must be pretty good. They can keep a 59 chevy running 500 thousand miles around a tiny island with parts out of God only knows what, vacuum cleaners and toasters.
At least it's an actual car part, just noticed this:
"spacer" on my alternator assembly yesterday.
Previous owner prolly wound up with a MoPar spacer in his Craftsman socket set...