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.