Aeroflow AF49-4501P Bypass Regulator 4.5-9 PSI

Aeroflow Bypass 4.5-9 PSI regulator is available with either 3/8" NPT or -8ORB female threads and are ideal for fuel systems running a return line to the tank. Reduced load on the fuel pump results in quieter fuel pump operation, cooler fuel and improved fuel pump life.