Designed for use with all Edelbrock Carburetoruretors used in Performer or Performer RPM applications. These high performance Street Fuel Pumps feature a high quality three stage polished finish. The unique valve design improves flow quantity and quality, and will support engines up to 600 hp. High-volume, 3/8" NPT inlet and outlet surpasses the capacity of conventional models. Produces 6 psi and does not require a regulator. For gasoline only. Clockable lower housing can be rotated for best Inlet/Outlet alignment.