Kraftstoff-Druck-Regulierer Brand: Holley Product Line: Holley Fuel Pressure Regulators Part Type: Fuel Pressure Regulators Fuel: Gasoline Pressure Range (psi): 4.5-9 Regulator Style: Non-return Regulator Location: Inline Boost/Vacuum Reference Port:No Gauge Port: No Mounting Bracket Included: Yes Fittings Included: No Rebuildable: Yes Inlet Quantity: Single Inlet Attachment: Female threads Inlet Size: 3/8 in. NPT Outlet Quantity: Dual Outlet Attachment: Female threads Outlet Size: 3/8 in. NPT Regulator Material: Aluminum Regulator Finish: Chrome plated Quantity: Sold individually. Fuel Pressure Regulator, Chrome Plated, 4 1/2-9 psi, Universal, Each Keep your fuel pressure within safe limits and avoid flooding. The needle and seat assemblies that are installed in Holley Performance 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. Holley manufactures a number of regulators for most any need.