Fuelab 51502-1 EFI Adjustable Fuel Pressure Regulator 25-90PSI - 6AN

Vehicle Fitment

• Universal electronic fuel injection (EFI) performance fuel pressure regulator
• Designed for aftermarket fuel systems in cars, trucks, and performance builds
• Compatible with a wide variety of gasoline, diesel, methanol, and ethanol applications

Features

• EFI adjustable fuel pressure regulator with 25-90 PSI range
• Dual -6AN inlet ports for flexible fuel line routing
• Single -6AN return port for consistent pressure return
• Billet aluminum housing with durable anodized finish
• Fine-thread adjustment for precise fuel pressure tuning
• 1/8" NPT gauge port for external fuel pressure monitoring
• 1/8" NPT pressure reference port with barbed fitting
• Includes versatile mounting bracket and stainless steel hardware

Specifications

• Manufacturer Part Number: 51502-1
• Type: Adjustable EFI fuel pressure regulator
• Pressure Range: 25-90 PSI
• Inlet Ports: Two -6AN
• Return Port: One -6AN
• Fuel Compatibility: Gasoline, diesel, methanol, ethanol
• Housing: Billet aluminum with anodized protection
• Gauge Port: 1/8" NPT

Included Components

• 1x Fuelab 51502-1 EFI adjustable fuel pressure regulator
• Versatile mounting bracket
• Stainless steel mounting hardware

Product Description

The Fuelab 51502-1 EFI Adjustable Fuel Pressure Regulator is a universal fuel management component designed for performance electronic fuel injection systems and custom fuel delivery setups. With a wide adjustable pressure range of 25-90 PSI, this regulator gives you precise control over fuel pressure to match high-performance pump and injector combinations. The dual -6AN inlet ports and single -6AN return port make it easy to route fuel lines in a variety of vehicles and engine layouts, while the billet aluminum housing provides strength and corrosion resistance for long-lasting performance.

Fine-thread pressure adjustment allows you to dial in the fuel system to meet the demands of your specific setup - whether you're tuning for boosted engines, big injectors, or high-output pumps. Useful 1/8" NPT ports support external fuel pressure gauges or reference lines as needed. Designed for universal use in EFI applications across cars, trucks, and race vehicles, the Fuelab 51502-1 is ideal for builders and tuners who need a reliable, adjustable regulator to keep fuel pressure steady and responsive under varying conditions.