Carburetor Parts 12804 Fuel Pressure Regulator – 1 to 4 PSI – 3/8 in NPT Port – Compatible with Holley and Edelbrock Carburetors Key Features and Benefits: Precise Fuel Pressure Control: Maintains a consistent 1 to 4 PSI for carburetor performance. Compatibility: Designed for use with Holley and Edelbrock carburetor systems for reliable fit and function. Standard 3/8 in NPT Port: Easy connection to existing fuel lines without additional modifications. Enhanced Engine Stability: Helps ensure smooth, consistent engine operation by regulating fuel flow. Improved Combustion Efficiency: Enables an even mix of gasoline and air for better fuel atomization. Reduced Emissions: Supports cleaner engine performance by promoting uniform airfuel mixture combustion. Performance and Function: This fuel pressure regulator ensures that your carburetor receives the correct fuel supply regardless of engine load, preventing flooding, hesitation, or lean running conditions. By stabilizing fuel delivery, it allows the carburetor to achieve airfuel mixing using the kinetic energy of the incoming airflow, resulting in improved throttle response and efficiency. Applications: 1. Classic Muscle Cars – Maintain proper carburetor performance for vintage Holley or Edelbrockequipped vehicles. 2. Performance Upgrades – Ensure steady fuel supply when modifying engines for higher horsepower. 3. Daily Drivers – Keep carbureted engines running smoothly in regular use with stable fuel pressure. Specifications: Model: 12804 Fuel Pressure Range: 1 to 4 PSI Port Size: 3/8 in NPT Compatibility: Holley and Edelbrock carburetors Primary Function: Fuel delivery stabilization and atomization improvement Built for reliability and precision, the Carburetor Parts 12804 fuel pressure regulator is an essential component for maintaining consistent carburetor function, improving overall engine performance, and ensuring longterm dependability.