Fuelab Universal EFI Adjustable Mini Fuel Pressure Regulator 25-90 psi 2 -6AN Inlets 1 -6AN Return Blue

Fuelab Adjustable Mini EFI Fuel Pressure Regulator Blue | 25-90 PSID Adjustable | EFI Fuel Pressure Regulator

Overview

The Fuelab Adjustable Mini EFI Fuel Pressure Regulator in blue is a compact, lightweight solution designed to provide precise fuel pressure control for EFI systems. Ideal for Subaru enthusiasts looking to optimize fuel delivery in tight engine bays, this regulator supports a wide range of fuels including gasoline, diesel, methanol, and ethanol. Its adjustable pressure range of 25-90 PSID allows for fine-tuning to match various performance setups, making it a versatile choice for both street and track applications.

Engineered with billet aluminum and finished with a durable anodize coating that meets military MIL-A-8625, Type II standards, this regulator combines strength and corrosion resistance with a sleek appearance. The fine thread pitch adjustment mechanism ensures accurate pressure settings, while the dual -6AN inlet ports and single -6AN return port provide flexible plumbing options. The inclusion of a 1/8 inch NPT gauge port and pressure reference port further enhances monitoring and tuning capabilities.

For Subaru owners, especially those upgrading fuel systems on WRX, STI, or other turbocharged models, this regulator offers reliable, consistent fuel pressure management essential for maximizing power and maintaining engine safety. Its compact size and versatile mounting options make it an excellent fit in the often limited space of Subaru engine bays, supporting efficient fuel system upgrades without compromise.

Features & Specifications

This Fuelab Adjustable Mini EFI Fuel Pressure Regulator is engineered for universal fitment and features a 25-90 PSID adjustable pressure range. Constructed from billet aluminum with a military-grade anodized finish, it delivers precise fuel pressure control for Subaru enthusiasts seeking reliable and tunable EFI fuel management.

• Brand: Fuelab
• Product: Adjustable Mini EFI Fuel Pressure Regulator Blue
• Part Number: 53501-3
• Fitment: Universal
• Material: Billet Aluminum
• Finish: Blue Anodized (MIL-A-8625, Type II)
• Construction: CNC Machined
• Origin: Not specified
• Pressure Range: 25-90 PSID Adjustable
• Inlet Ports: Two -6AN
• Return Port: One -6AN
• Gauge Port: 1/8 inch NPT with plug
• Pressure Reference Port: 1/8 inch NPT with barbed fitting
• Fuel Compatibility: Gasoline, Diesel, Methanol, Ethanol
• Weight: 50% lighter than Fuelab 515/525 Series

Key Benefits

• Performance: Precise fuel pressure adjustment supports optimal fuel delivery and engine tuning for Subaru turbocharged platforms.
• Durability: Billet aluminum construction with military-grade anodizing ensures long-lasting corrosion resistance and strength.
• Fitment: Compact design and versatile mounting bracket enable installation in tight engine bays common to Subaru vehicles.
• Compatibility: Supports multiple fuel types, making it suitable for a variety of Subaru fuel system setups and alternative fuels.
• Adjustability: Fine thread pitch allows for accurate and repeatable pressure settings to match specific tuning requirements.
• Monitoring: Integrated gauge and pressure reference ports facilitate easy fuel pressure monitoring and diagnostics.

What's Included

• 1× Fuelab Adjustable Mini EFI Fuel Pressure Regulator Blue
• Versatile mounting bracket
• Stainless steel mounting hardware
• 1/8 inch NPT gauge port plug
• Installation instructions

Installation & Compatibility

Installation of the Fuelab Adjustable Mini EFI Fuel Pressure Regulator is straightforward for enthusiasts with moderate mechanical experience, especially those familiar with fuel system plumbing. Its compact size and included mounting hardware simplify fitting in constrained engine bays typical of Subaru WRX and STI models. No special tools beyond standard hand tools are required, but care should be taken to ensure proper sealing and secure connections to avoid leaks. Tuning adjustments to fuel pressure should be performed in conjunction with engine management calibration to maintain optimal performance and safety.

• Professional Installation: Recommended for those unfamiliar with EFI fuel systems
• Modifications Required: None; universal fit with versatile mounting options
• Verify Compatibility: Confirm fitment and fuel system requirements for your specific Subaru model and fuel setup

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