Fuelab Universal EFI Adjustable Fuel Pressure Regulator Large Seat 25-90 psi 2 -6AN Inlets 1 -6AN Return Black

Fuelab Adjustable EFI Fuel Pressure Regulator w/ -6AN Fittings Black | 25-90 PSI Adjustable Range | EFI Fuel Pressure Regulator

Overview

The Fuelab Adjustable EFI Fuel Pressure Regulator is a precision-engineered component designed to deliver consistent and adjustable fuel pressure control for electronic fuel injection systems. Featuring a wide adjustment range from 25 to 90 psi, this regulator is ideal for Subaru enthusiasts and tuners who demand precise fuel delivery for optimal engine performance. Its universal fitment and robust construction make it suitable for a variety of Subaru platforms as well as other EFI-equipped vehicles.

Built with a large internal seat and high-quality materials, this Fuelab regulator emphasizes durability and reliability under demanding conditions. The inclusion of two -6AN inlet ports and one -6AN return port ensures compatibility with aftermarket fuel systems and ease of integration. Fuelab’s engineering approach focuses on delivering stable fuel pressure control to support both street and high-performance applications, making it a trusted choice among enthusiasts who prioritize tuning flexibility and fuel system efficiency.

For Subaru owners, maintaining precise fuel pressure is critical to achieving consistent power delivery and avoiding lean or rich conditions that can compromise engine health. This adjustable regulator allows fine-tuning of fuel pressure to match upgraded fuel pumps, injectors, and engine management setups. Its universal design and durable black finish also provide a clean, professional look in the engine bay, complementing the overall Subaru performance build.

Features & Specifications

This Fuelab Adjustable EFI Fuel Pressure Regulator is engineered for universal EFI applications and features a wide 25-90 psi adjustable range. Constructed from high-quality materials with a black finish, it delivers reliable and precise fuel pressure control for Subaru enthusiasts seeking optimal fuel system tuning and performance.

• Brand: Fuelab
• Product: Adjustable EFI Fuel Pressure Regulator w/ -6AN Fittings Black
• Part Number: 51506-1-L-E
• Fitment: Universal
• Material: Aluminum
• Finish: Black anodized
• Construction: CNC machined
• Origin: Made in USA
• Pressure Range: 25-90 psi adjustable
• Inlet Ports: (2) -6AN
• Return Port: (1) -6AN

Key Benefits

• Performance: Enables precise fuel pressure tuning to optimize power and efficiency on Subaru EFI setups.
• Durability: CNC machined aluminum body with black anodized finish resists corrosion and wear under high-pressure conditions.
• Fitment: Universal design with standard -6AN fittings ensures compatibility with a wide range of Subaru fuel systems and aftermarket components.
• Adjustability: Wide 25-90 psi range allows fine control over fuel pressure to match upgraded pumps and injectors.
• Quality: Manufactured in the USA with strict quality control for consistent and reliable operation.
• Value: Provides a cost-effective solution for tuners seeking improved fuel system management without sacrificing reliability.

What's Included

• 1× Fuelab Adjustable EFI Fuel Pressure Regulator w/ -6AN Fittings Black

Installation & Compatibility

Installation of the Fuelab Adjustable EFI Fuel Pressure Regulator is straightforward for those familiar with aftermarket fuel system components. It requires standard fuel line tools and knowledge of EFI fuel system plumbing. The universal fitment and standard -6AN fittings simplify integration with existing fuel lines and aftermarket upgrades. Tuning is recommended to optimize fuel pressure settings for your specific Subaru platform and modifications. Professional installation is advised if you are unfamiliar with fuel system work to ensure safety and proper operation.

• Professional Installation: Recommended
• Modifications Required: None, fits standard -6AN fuel lines
• Verify Compatibility: Confirm fitment for your specific Subaru model and fuel system setup

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