Aeroflow Bypass Fuel Pressure Regulator 4.5-9PSI -8 ORB Ports AF49-4501BLK

Aeroflow Bypass Fuel Pressure Regulator 4.5-9PSI -8 ORB Ports

The Aeroflow bypass fuel pressure regulator is engineered to deliver precise fuel pressure control from your fuel pump to the carburettor. This is crucial for preventing issues such as flooding or drivability problems caused by excessive fuel pressure. Crafted from high-quality billet aluminium, this regulator is fully adjustable between 4.5 to 9 PSI, making it easy to tailor the fuel pressure to meet your engine's specific requirements. It is an ideal choice for those who demand reliability and performance in their fuel systems.

Designed for use in systems with a return line to the tank, the Aeroflow regulator reduces the load on the fuel pump, resulting in quieter operation, cooler fuel temperatures, and enhanced fuel pump longevity. It is available in a variety of finishes including blue, black, and red anodised, as well as polished options, ensuring a stylish addition to any setup.

Note: This regulator is recommended for use with carburettor fuel pumps only and is not suitable for EFI systems.

Key features

• Fully adjustable fuel pressure from 4.5 to 9 PSI.
• Constructed from durable billet aluminium for longevity.
• Available with 3/8" NPT or -8ORB female threads.
• Reduces load on fuel pump for quieter operation.
• Compatible with pump fuel, E85 alcohol, and diesel fuels.
• Multiple anodised finishes for aesthetic flexibility.

Technical details

• Pressure range: 4.5 to 9 PSI.
• Material: Billet aluminium.
• Thread types: 3/8" NPT or -8ORB female.
• Suitable for use with various fuel types including pump fuel, E85, and diesel.
• Weight: Lightweight design for easy installation.

Applications / fitment

This regulator is typically used in carburettor-based fuel systems, particularly those with a return line to the tank.

• Ideal for performance cars with carburettor setups.
• Suitable for off-road vehicles requiring reliable fuel pressure management.
• Perfect for race applications where precise fuel delivery is critical.
• Compatible with classic cars and custom builds using carburettors.

Why buy from Mick’s Gone Bush?

• Trusted Australian business focused on reliable power, auto-electrical, and service parts.
• Stock sourced from reputable distributors and brands like Aeroflow.
• Practical support for trade, off-grid, and fleet customers.
• Clear shipping, warranty, and customer service policies.
• Commitment to quality and customer satisfaction.

Frequently asked questions

What is the pressure range of this regulator?

The Aeroflow bypass fuel pressure regulator is adjustable from 4.5 to 9 PSI.

Can this regulator be used with EFI systems?

No, this regulator is recommended for use with carburettor fuel pumps only and is not suitable for EFI systems.

What materials is the regulator made from?

The regulator is constructed from durable billet aluminium, ensuring longevity and reliability.

What fuel types can this regulator handle?

This regulator is compatible with pump fuel, E85 alcohol, and diesel fuels.

How does this regulator improve fuel pump operation?

By reducing the load on the fuel pump, it results in quieter operation, cooler fuel temperatures, and improved fuel pump life.

Is the regulator available in different finishes?

Yes, the Aeroflow regulator is available in blue, black, and red anodised finishes, as well as polished options.