AFPR identify
#2
TECH Junkie
iTrader: (18)
It's made/sold by Product Engineering, for a carb and runs around $200. I found it listed in the first link by searching for blue and gold fuel pressure regulator.
http://www.product-engr.com/images/P...s/P0000437.jpg
http://www.product-engr.com/images/P...s/P0000437.jpg