Parts ID Dual Snorkel Air Cleaner

[Caseys69]

I picked this up in a lot of parts and im trying to ID it. I think its a 65 Impala big block air cleaner but i want to be sure before i list it for sale. Any Help is appreciated.

ac1 by Casey Kloess, on Flickr

ac2 by Casey Kloess, on Flickr

ac3 by Casey Kloess, on Flickr

ac4 by Casey Kloess, on Flickr

ac5 by Casey Kloess, on Flickr

ac6 by Casey Kloess, on Flickr