Fuelab 56502-1 Series Adjustable Fuel Pressure Regulator - 565

The Fuelab 565 Series Adjustable Fuel Pressure Regulator is engineered for extreme high-flow applications, featuring massive bypass capacity and -10AN ports to handle the most demanding fuel systems. This CARB-compliant regulator delivers the proven reliability of Fuelab's 515/525 Series with significantly enhanced flow capabilities.

Extreme Flow Capacity:

• Massive return orifice with -10AN inlet and outlet ports
• Bypass capability exceeding 5 GPM at 5 PSI
• Supports blow-through carbureted applications over 1800 horsepower
• Handles belt-driven fuel pump EFI systems with flattened regulation slope

Key Features:

• CARB compliant for legal street use
• Available in four pressure ranges covering 4-80 PSI applications
• Max flow bypass design prevents fuel starvation under extreme demand
• Precision-machined construction for consistent pressure control
• Direct upgrade path from 515/525 Series for high-horsepower builds

Ideal for big-block carbureted engines, turbocharged applications, and high-output EFI systems requiring maximum fuel delivery capacity. The 565 Series sets the standard for high-flow fuel pressure regulation in extreme performance applications.