Earls Adjustable Fuel Pressure Regulator - Carbureted - Black - 1-4 PSI-12850ERL throttle-bodies 4L V8 1989 - 1991

4L V8 1989 - 1991 Chevrolet V3500 454/7

By testing each pump

5 Primary Pump Nozzle Size 31 Product Type 4150 Model Carburetor Secondaries Vacuum Secondary Main Jet 84 Supercharged Application No Throttle Bore 1

1-3/4 inch Product Type Headers Tube Material Mild Steel Warning California Proposition 65

Earls Adjustable Fuel Pressure Regulator - Carbureted - Black - 1-4 PSI-12850ERL throttle-bodies 4L V8 1989 - 1991Overview: Earl's fuel pressure regulators are designed to adjust for fuel pressure requirements of various carburetors. Features: Application: Year Make Model Submodel Engine Size Universal Specs: Brand Earls Color Black Emission Code 5 Fuel System Carbureted Fuel System Type Gasoline Fuel Type Gasoline Inlet Size 3 8 inch NPT Outlet Size 3 8 inch NPT Pressure Range 1 4 PSI Product Type Fuel Pressure Regulator Style Non Return Warning California