This Holley universal low pressure fuel regulator is factory-set to 2.7 PSI, but is fully adjustable from 1 to 4 PSI
Use with standard pump only - not recommended for maximum pressure pumps
Fuel pressure regulator includes mounting bracket with 2 each self-tapping screws for regulator to bracket installation purposes and 3 screws for bracket to vehicle installation
Regulator has a 3/8" NPT tapped fuel pressure gauge port