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Holley Carbureted By-Pass Regulator
Adjustable fuel regulation from 4-1/2 to 9 psi
Preset to 7psi
3/8” NPT ports (1 in, 1 out, 1 bypass or return)
Used in systems with a return line back to the fuel tank
Quieter fuel pump operation
This fuel pressure regulator is used to adjust to fuel pressure requirements of various carburetors. It includes 3/8" pipe thread inlet and outlet ports and fits systems with a return line back to the fuel line. It allows for quieter operation and has a pre-set pressure of 7 PSI with a range of 4.5 to 9 PSI.