Chevy- GMC Headlight Bucket Size

I am trying to find a suitable conversion headlight bucket to fit into my 39 Chevy headlight cans. I am going to french the new lights. Anyone out there able to tell me what the diameter of the 47-54 Chevy-GMC headlight buckets as well as the depth of the complete****embly either with(preferrably) or without the headlight in it?
Thanks for your help.

 

8 3/4 x 4" deep. That's just the bucket without the sealed beam and ring

 

Thanks Earl...
Exactly what I needed.
MikeC