Holley 12-803BP Carbureted Fuel Pressure Regulator

Holley fuel pressure regulators are designed to precisely control the fuel pressure from the fuel pump to the carburetor. Each Holley fuel pressure regulator is fully adjustable, allowing users to regulate the fuel pressure to their engine's specific needs with ease. All Holley regulators are pre-set at the factory, eliminating the guesswork during the installation process. The Holley 12-803BP fuel pressure regulator, in particular, features adjustable fuel regulation from 4-1/2 to 9 psi, with a preset setting of 7 psi. This regulator boasts 3/8" NPT in/out ports and a 3/8" NPT return port, making it suitable for use in systems with a return line back to the fuel tank. The Holley 12-803BP fuel pressure regulator is also known for its quieter fuel pump operation, providing a more efficient and seamless fuel delivery system. Additionally, this regulator is designed to be vehicle-specific, ensuring a precise and tailored fit for the intended application.

Too much fuel pressure for a given needle and seat assembly can overload the needle and seat and may cause flooding or drivability problems. The adjustability of Holley fuel pressure regulators is crucial in addressing this issue, as it allows users to fine-tune the fuel pressure to their engine's specific requirements. This level of customization helps to optimize the engine's performance and prevent potential issues, such as flooding or drivability problems, that can arise from excessive fuel pressure.

In conclusion, Holley fuel pressure regulators are a reliable and versatile solution for controlling fuel pressure in automotive applications. With their adjustability, pre-set factory settings, and vehicle-specific design, these regulators offer users the ability to precisely manage their engine's fuel delivery system, ensuring optimal performance and reliability.

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