Edelbrock Performer RPM street fuel pumps are designed for use with all Edelbrock carburetors used in Performer or Performer RPM applications. These high performance street fuel pumps feature a high-quality, 3-stage polished finish. The unique valve design of these pumps improves flow quantity and quality and will support engines with up to 600 hp. The high-volume, 3/8 in. NPT inlet and outlets surpass the capacity of many other pumps. Edelbrock Performer RPM street fuel pumps produce 6 psi and do not require a regulator. Best of all, the clockable lower housing can be rotated for the best inlet and outlet alignment. They are designed for use with gasoline only.