Speedmaster PCE139.1001 4-9 PSI Adjustable Deadhead Fuel Regulator Chrome

4-9 psi Adjustable Universal Deadhead Fuel Pressure Regulator Chrome The needle and seat assemblies that are installed in Speedmaster carburetors can sufficiently control fuel pressure up to about 8 psi. If the fuel pump is putting out more than 8 psi, a regulator should be used to keep the fuel pressure within safe limits and avoid the possibility of flooding. Speedmaster manufactures a number of regulators for most any need. Control fuel pressure up to about 8 psi