Some valve body manufacturers use different springs in the regulator. So I would call A&A and ask them for that exact valve body. I only have the info for the Griner manual (footbrake) valve body that I use.

What pressure is it at now?
FWIW, I am at 165 psi.

1993 Daytona, 5.50 at 130mph (1/8) 1.19 sixty ft (PG). Link to 572 B1 - Part 1