Billet Bypass Fuel Pressure Regulator 4.5-9psi Adjustable - Red Finish. 3/8" NPT Ports with Bottom Return

Aeroflow Bypass 4.5-9 PSI regulator is available with either 3/8" NPT or -8ORB female threads and are the perfect choice for fuel systems running a return line to the tank with added benefit of less load on the fuel pump resulting in quieter fuel pump operation, cooler fuel and improved fuel pump life. Available in blue, black and red anodised or polished finishes.