Quote:

Holley 12-803BP 4.5-9 psi

Here is the site with other holley regulator options available.
Holley regulators



Interesting, apparently the 12-803BP is not to be used with mechanical fuel pumps.
http://www.holley.com/data/Products/Technical/199R7914-3.pdf

The 12-803 is $27 at Summit, and the Summit brand is $25. I guess they're fine to use with mechanical pumps.

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