Brake drums

[Newby]

Good evening. First, I have give a big shout out to Randy Gross. He really does do great work. I received my hubs and drums back today. They look great and he is, in my opinion, very reasonable on price for his services. Thanks again Randy!!
My question to all your pros out there is , now that I have my drums done, do I paint just the outside of the drums, or inside and outside? And, what kind of paint. Or, primer and paint. Thank you all in advance.