Hello: just found your site.
Building a 57 convt. Ready to assemble after two long years of work.
I was searching for info when I found this site.
Here's what I was looking for:
I'm hoping you can help identify the following.
NOS in box underdash A/C unit
with Chevy emblem on it.
Harrison
EBA19069

Any ideas what year this goes to.
Any and all info is appreciated.

Thanks
John