Description
Precision Fuel Regulation. The Earl’s Fuel Regulator 4.5-9 PSI is engineered to provide accurate fuel pressure control for carbureted gasoline engines. It ensures consistent fuel delivery by maintaining pressure within a precise 4.5 to 9 PSI range, supporting stable engine operation across various carburetor setups. This regulator is essential for maintaining proper fuel flow to carbureted systems.
Durable Construction and Finish. Featuring a chrome-plated exterior, the fuel pressure regulator offers corrosion resistance and a polished, attractive finish. It includes 3/8 inch NPT threaded inlet and outlet ports designed for secure, leak-free connections, enhancing durability and reliable operation under typical conditions.
Installation Made Simple. Installation requires minimal effort, with no drilling needed due to standardized 3/8 inch NPT fittings. The regulator integrates easily into existing fuel lines on carbureted systems without additional modifications.
Warranty Coverage and Application. This product carries a manufacturer’s limited 90-day warranty for quality assurance. It is specifically intended for use with carbureted gasoline fuel systems requiring fuel pressure regulation between 4.5 and 9 PSI and is not compatible with alcohol-based fuels.
Fitment and Application. Designed to fit carbureted gasoline fuel systems needing consistent fuel pressure between 4.5 and 9 PSI, this regulator is suitable for various carburetor setups. It maintains pressure without affecting vehicle emissions, making it compliant with Emission Code 5 standards.
Earl’s 12803ERL
CA Residents: WARNING: Cancer and Reproductive Harm
- Chrome-Plated Fuel Pressure Regulator with Pressure Range of 4.5-9 PSI
- Designed to Adjust for Fuel Pressure Requirements of Various Carburetors
- Not Compatible with Alcohol-Based Fuels
- Inlet Size: 3/8 Inch NPT
- Outlet Size: 3/8 Inch NPT
- Non-Return Style Fuel Pressure Regulator for Carbureted Gasoline Systems
- Emission Code 5 Indicates It Does Not Affect Vehicle Emissions
- Manufacturer’s Limited 90-Day Warranty
- Fits Carbureted Fuel Systems Requiring 4.5-9 PSI Fuel Pressure






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