any GM truck from 55 into the 70's and 4x4's after that until 6 lug ended, the 55-60 have 3 clips for the hubcaps if you plan on those, the earlier AD wheels have 6 clips, which will work but are narrower wheels
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics