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.