Hy beast54, there are no 5/10 bolt pattern 20" tubeless wheels that I'm aware of. After 1956 there were factory 22.5" tubeless wheels made for the whole truck line, but the 5/10 bolt pattern wheels were pretty narrow, and they seem to be extremely rare.

Last edited by 3B; 04/21/2013 9:54 AM. Reason: spleling