Fuelab Universal EFI Adjustable Fuel Pressure Regulator 40-80 psi 2 -10AN Inlets 1 -10AN Return MAX FLOW BYPASS Black

Fuelab Adjustable EFI Fuel Pressure Regulator 40-80 psi -10AN Inlets -10AN Return Black | Precise Fuel Pressure Control | EFI Fuel Pressure Regulator

Overview

The Fuelab Adjustable EFI Fuel Pressure Regulator is a high-quality, versatile component designed to provide precise fuel pressure control for a wide range of fuel-injected applications. With a pressure adjustment range of 40 to 80 psi, this regulator is ideal for enthusiasts and tuners seeking reliable and consistent fuel delivery in gasoline, diesel, methanol, and ethanol setups. Its universal fitment makes it suitable for various Subaru platforms as well as other vehicles requiring robust EFI fuel pressure management.

Engineered with a billet aluminum body anodized to military MIL-A-8625, Type II standards, the Fuelab regulator combines durability with precision. The fine thread pitch adjustment mechanism allows for accurate tuning of fuel pressure, while the large 1.75-inch diaphragm and 1/2-inch return orifice ensure stable operation under demanding conditions. The inclusion of multiple -10AN inlet ports and a -10AN return port, along with a versatile mounting bracket and stainless steel hardware, reflects a thoughtful design focused on ease of installation and long-term reliability.

For Subaru owners, maintaining optimal fuel pressure is critical to achieving consistent engine performance and safe tuning margins. This regulator’s compatibility with various fuels and its precise adjustability make it a valuable upgrade for those running modified fuel systems or seeking to fine-tune their engine management. The integrated gauge and pressure reference ports facilitate monitoring and diagnostics, enhancing the overall tuning experience and ensuring your Subaru’s fuel system operates at peak efficiency.

Features & Specifications

This Fuelab Adjustable EFI Fuel Pressure Regulator is engineered for universal EFI applications and features dual -10AN inlet ports with a -10AN return port. Constructed from billet aluminum with a military-grade anodized finish, it delivers precise fuel pressure control for Subaru enthusiasts and other performance vehicle owners seeking reliable and adjustable fuel system management.

• Brand: Fuelab
• Product: Adjustable EFI Fuel Pressure Regulator 40-80 psi -10AN Inlets -10AN Return Black
• Part Number: 56504-1
• Fitment: Universal
• Material: Billet Aluminum
• Finish: Black Anodized (MIL-A-8625, Type II)
• Construction: CNC Machined with Fine Thread Pitch Adjustment
• Origin: Not Specified
• Pressure Range: 40-80 psi (PSID)
• Inlet Ports: Two -10AN
• Return Port: One -10AN
• Diaphragm Size: 1.75 inches
• Return Orifice: 1/2 inch
• Fuel Compatibility: Gasoline, Diesel, Methanol, Ethanol
• Gauge Port: 1/8 inch NPT with Plug
• Pressure Reference Port: 1/8 inch NPT with Barbed Fitting
• Mounting: Versatile Bracket with Stainless Steel Hardware
• Warranty: Limited Lifetime

Key Benefits

• Precision Control: Fine thread pitch adjustment allows for accurate fuel pressure tuning to match your Subaru’s specific EFI requirements.
• Durability: Billet aluminum construction with military-grade anodizing ensures long-lasting corrosion resistance and strength under harsh conditions.
• Fuel Versatility: Compatible with multiple fuel types including gasoline, diesel, methanol, and ethanol, supporting a wide range of Subaru builds and fuel system setups.
• Ease of Installation: Includes a versatile mounting bracket and stainless steel hardware for secure and flexible mounting options in various engine bays.
• Monitoring Ready: Equipped with gauge and pressure reference ports for easy integration of external pressure gauges and diagnostic tools.
• Universal Fitment: Designed to work with most EFI systems, making it a practical upgrade for Subaru owners upgrading or maintaining their fuel delivery systems.

What's Included

• 1× Fuelab Adjustable EFI Fuel Pressure Regulator 40-80 psi -10AN Inlets -10AN Return Black
• Versatile mounting bracket
• Stainless steel mounting hardware
• 1/8 inch NPT gauge port plug
• Installation instructions

Installation & Compatibility

Installation of the Fuelab Adjustable EFI Fuel Pressure Regulator is straightforward for those with basic mechanical skills and familiarity with fuel system components. The regulator mounts using the included bracket and hardware, and the -10AN inlet and return ports require compatible fuel lines and fittings. No special tools beyond standard hand tools and fuel line wrenches are typically needed. This regulator is universal in fitment but always verify compatibility with your specific Subaru model and fuel system setup before installation. Tuning is recommended after installation to optimize fuel pressure settings for your engine management system and fuel delivery needs.

• Professional Installation: Recommended for best results
• Modifications Required: None, provided compatible fittings and lines are used
• Verify Compatibility: Confirm fitment for your specific Subaru year, model, and fuel system configuration

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