Holley Chrome Carbureted Fuel Pressure Regulator
Part Number: 12-804
Holley fuel pressure regulators are designed to precisely control the fuel pressure from the fuel pump to the carburetor. Too much fuel pressure for a given needle and seat assembly can overload the needle and seat and may cause flooding or drivability problems.
Key Features
- Fully Adjustable: Each Holley fuel pressure regulator is fully adjustable so regulating the fuel pressure to your engine's needs is a simple task
- Factory Pre-Set: All Holley regulators are pre-set at the factory at 2.8 PSI so there is no guesswork when first installing the regulator
- Pressure Range: Adjustable from 1-4 PSI for optimal carburetor performance
- Port Configuration: Features 3/8" NPT inlet and dual outlets for versatile installation
- Maximum Inlet Pressure: 7 PSI maximum inlet pressure limitation
- Chrome Finish: Polished chrome aluminum construction for durability and appearance
- Complete Package: Includes mounting bracket with hardware for easy installation
Specifications
- Material: Aluminum with chrome plating
- Regulator Style: Non-return, inline design
- Fuel Type: Gasoline (not alcohol compatible)
- Inlet: One 3/8" NPT female threaded port
- Outlets: Two 3/8" NPT female threaded ports
- Application: Carbureted engines only
- Rebuildable: Yes
Important Notes
- Designed exclusively for carburetor use with low pressure applications
- Maximum inlet pressure limitation of 7 PSI
- Not recommended for maximum pressure pumps
- Fittings sold separately
Holley Performance has been the undisputed leader in fuel systems for over 100 years, providing precision-engineered components for street performance, racing, and marine applications.
