80000103 Carbureted Fuel Regulator. If the pump is a high-pressure model, a pressure regulator must be installed in the line between the pump and the carburetor, not alcohol compatible.
Genuine Holley Sniper 80000103 4.5-9 PSI Fuel Pressure Regulator - Carbureted
Holley Sniper 80000103 4.5-9 PSI Fuel Pressure Regulator For Various Carburetors
Holley Sniper 80000103 4.5-9 PSI Fuel Pressure Regulator - Carbureted
Holley Genuine Sniper 80000103 4.5-9 PSI Fuel Pressure Regulator - Carbureted