Thanks. The ones I'm looking for look like this:
http://fcrcmachine.com/i-14212958-r...-gmc-trucks-1933-1936-pontiac-25128.html
Problem is they're well over $100. If I can swap to something that will be cheaper to maintain, I don't mind making a slightly more expensive investment up front. There also may be rebuild kits, but so far everything I've pulled off this truck has been pretty rusty...