10" drum source?

I'm the guy that recently posted that the drums could be purchased from Rock Auto. Whoops!

The site said the drum (Bendix PDR0174) was for 10" x 1-3/4" wide brakes. However, it was too wide just like Cuda68Scott said. The Bendix drum was exactly 1/2" wider than the original. So it hits the back plate and won't completely seat up against the axle hub.