FUEL PRESSURE REGULATOR KITS These Fuel Pressure Regulators are for Holley Standard-Flange Dual-Feed or 4500 Series Carburetors. Adjust fuel pressure from 4-1/2 to 9 psi. Match with Edelbrock racing fuel pumps. Kits include fittings, mounting plate, fuel line and regulator. Fuel line from fuel pump to regulator is not included; use #8122 or #8127 listed below.
