Fuelab 56504 High Flow Adjustable Fuel Pressure Regulator - 40-80 PSI

FUELAB 565 Series fuel pressure regulators deliver performance and flexibility with extreme capacity. Utilizing a massive 1/2" return orifice and -10AN ports, these regulators hold no bounds. The FUELAB 565 has a bypass capability of over 5 GPM at 5 PSI, capable of handling blow-through carbureted applications well over 1800 hp, and for EFI applications using belt-driven fuel pumps. FUELAB provides fuel system products from individual components to total on-demand fuel systems, along with custom solutions for specific fuel system configurations. FUELAB’s products are of premium quality and are bolstered by the company’s technological experience and knowledge to make them work seamlessly.Features: Inlet: -10AN (2)Return Port: -10AN (1)1.75" Diaphragm with 1/2" Return OrificePressure Range: EFI 40-80 psiBlack

The Fuelab Pro Series Fuel Pressure Regulator 40–80 PSI is a high-flow, performance-driven fuel control solution engineered for demanding EFI and carbureted fuel systems. Designed with dual 10AN inlet ports and a 10AN return, this regulator is built to support high horsepower applications that require stable, consistent fuel pressure under all operating conditions. Its precision bypass-style design allows excess fuel to return smoothly to the tank, helping maintain accurate pressure control even during rapid load changes. Constructed from high-quality machined components, the Pro Series regulator delivers reliability, tunability, and durability for street, strip, and competition fuel systems.

Key Features

Vehicle Fitment