Here's a thread on the Pertronix module I installed on my 427 motors with very good results. Some of the images look like everything is dirty, and it was dirty, and the camera accentuated everything. I've since gone through the system with a swab with a little WD40 on it, and they've been cleaned up. However, they ran great as photographed.
http://www.network54.com/Forum/424840/message/1131313926
In this thread you'll see a photo fo the box my units came in, along with the model number, etc.
I'd suspect you could do a shopping spree on the internet for that particular module and shop by price and get the same thing anywhere. You may want to call Robert Henkel and he'll either have these or he'll help you find the item you're looking for. 810-748-3600
Regards, Paul