Stop in for a cup of coffee

10" drums font and rear and 66 Belvedere.
Cool, any chance the axle is out of a truck or van originally? I scraped an old 70s van we had that my grandparents bought new, it had a 8.25 with 11x 3 inch rear drums, I kept the backing plates to try and use on my 74 charger that had a 8.25 but they wouldnt fit on. I dont recall the reason or if they were 4 or 5 hole