Fuelab Universal CARB Adjustable Fuel Pressure Regulator Large Seat 1-3 psi 2 -6AN Inlets 1 -6AN Return Black

Fuelab Adjustable CARB Fuel Pressure Regulator w/ -6AN Fittings Black | Universal Fitment | Fuel Pressure Regulation

Overview

The Fuelab Adjustable CARB Fuel Pressure Regulator is a precision-engineered component designed to provide reliable and consistent fuel pressure control for a wide range of applications, including Subaru performance builds. Featuring a large seat design and adjustable pressure range from 1 to 3 psi, this regulator allows enthusiasts and tuners to fine-tune fuel delivery for optimal engine performance and efficiency. Its universal fitment and high-quality construction make it an excellent choice for those upgrading or maintaining their fuel system.

Built with durability and precision in mind, this Fuelab regulator incorporates -6AN inlet and return fittings to ensure secure and leak-free connections. The black finish not only offers corrosion resistance but also complements the engine bay aesthetics. Fuelab’s commitment to quality and CARB compliance ensures that this regulator meets strict emissions standards while delivering dependable performance.

For Subaru owners, especially those running modified or forced induction setups, maintaining stable fuel pressure is critical to achieving consistent power and preventing lean conditions. This adjustable regulator provides the necessary control to support tuning efforts and safeguard engine health, making it a practical upgrade for WRX, STI, BRZ, and other Subaru platforms.

Features & Specifications

This Fuelab Adjustable CARB Fuel Pressure Regulator is engineered for universal applications and features a large seat design with an adjustable pressure range of 1-3 psi. Constructed from durable materials with a black finish, it delivers precise fuel pressure control for Subaru enthusiasts seeking reliable and tunable fuel system management.

• Brand: Fuelab
• Product: Adjustable CARB Fuel Pressure Regulator w/ -6AN Fittings Black
• Part Number: 51506-1-L-L
• Fitment: Universal
• Material: Aluminum
• Finish: Black anodized
• Construction: CNC machined
• Origin: Made in USA
• Pressure Range: 1-3 psi adjustable
• Fittings: (2) -6AN inlets, (1) -6AN return
• CARB Status: CARB compliant

Key Benefits

• Fuel System Control: Precise adjustment of fuel pressure ensures optimal fuel delivery for tuned Subaru engines.
• Durability: CNC machined aluminum construction with black anodized finish resists corrosion and wear.
• Universal Fitment: Compatible with a wide range of Subaru platforms and other vehicles using -6AN fuel lines.
• CARB Compliance: Meets emissions standards, allowing use in regulated environments without compromise.
• Easy Integration: Standard -6AN fittings provide secure, leak-free connections with common aftermarket fuel system components.
• Tuning Flexibility: Adjustable pressure range supports fine-tuning for various performance setups and fuel demands.

What's Included

• 1× Fuelab Adjustable CARB Fuel Pressure Regulator w/ -6AN Fittings Black
• Installation instructions

Installation & Compatibility

Installation of the Fuelab Adjustable CARB Fuel Pressure Regulator is straightforward for those familiar with fuel system components and requires standard tools for AN fittings. It is suitable for universal applications but should be installed by a professional or experienced enthusiast to ensure proper fuel line routing and secure connections. Adjusting the fuel pressure should be done carefully with proper gauges and tuning equipment to avoid engine damage.

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

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