It is Chevy, it's also MoPar. Fits 1960's with this vacuum set-up, in lieu of the bag. I have several new ones.....anyone need to replace their old cracked and yellow reservoir? http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=1838529111 [Non-text portions of this message have been removed]