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Satisfaction Guaranteed Regulator,carbureted,4.5>9 Psi Family Size [k150a4zD]

$34.99 $111.99 -69%

High-Performance Holley Carbureted Fuel Pressure Regulator Experience ultimate control over your carbureted fuel pressure with the Holley Carbureted Fuel Pressure Regulator. This brand new regulator is designed for both street and strip applications,

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Satisfaction Guaranteed Regulator,carbureted,4.5>9 Psi Family Size [k150a4zD]

High-Performance Holley Carbureted Fuel Pressure Regulator

Experience ultimate control over your carbureted fuel pressure with the Holley Carbureted Fuel Pressure Regulator. This brand new regulator is designed for both street and strip applications, offering a versatile solution for precise fuel pressure regulation. With an adjustable range from 4.5 to 9 PSI, this regulator ensures optimal performance and fuel efficiency for your vehicle. Its two-port design and 1/2" NPT in/out ports provide easy installation and compatibility with various carbureted systems.

Key Features and Specifications

The Holley 12-704 Fuel Pressure Regulator is a top-tier product, featuring a 1/2" NPT inlet and two 1/2" NPT outlet ports for seamless integration. It boasts a .437" (7/16") restriction, ensuring precise fuel pressure control. This regulator is fully adjustable, allowing you to tailor the fuel pressure to your engine's specific needs. It comes with mounting hardware and AN style fittings for added convenience. Made from durable aluminum, this regulator is built to withstand the rigors of high-performance applications. Key specifications include a pressure range of 4.5-9 PSI, compatibility with gasoline fuel systems, and an emission code of 5.

Practical Applications and Benefits

Whether you're a car enthusiast looking to enhance your vehicle's performance or a professional mechanic in need of a reliable fuel pressure solution, the Holley Carbureted Fuel Pressure Regulator is an ideal choice. Its adjustable fuel regulation from 4-1/2 to 9 PSI ensures optimal performance for a wide range of carbureted applications. The inclusion of mounting hardware and AN style fittings simplifies installation, saving you time and effort. This regulator is also alcohol compatible, making it suitable for high-performance racing and off-road vehicles. With the Holley name backing its quality, you can trust this regulator to deliver consistent and reliable performance for years to come.

What Our Customers Say

February 5, 2026

Absolutely no complaints!

I am very happy with my product and its great purchase.

- Arawn E..

February 5, 2026

Absolutely no complaints!

A great product. And very, very, very, very, very, very, very, very good.

- Hafgan Z..

February 5, 2026

Absolutely no complaints!

It’s a very well-made, exceptionally and so very nice tool.

- Pryderi X..

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