So I got the valve, had a bunch of washers in with it, and has the markings
045A 7E 23 POS
The "POS" is what worries me. Shouldn't there be an "N" at the end of a negative backpressure valve?
also found this when I googled part number 214-1432
http://www.chevytalk.org/fusionbb/sh...hp?tid/284764/