5 on 5" bolt pattern, found on
85-02 Astro & Safari
73-99 GMC & Chevy 1/2 ton 2WD Pickups
71-95 GMC and Chevy 1/2 Ton Full Size Vans
Fleetwood Caddys
Sedan and Coupe De'Ville
B Body wagons from the early 70s - 96
I imagine there are a few more and the years might not be 100% correct, but those are the ones that come to mind quick.