AEM 1996-1997 Acura CL / 1994-1997 Accord / 1996-2000 Civic Ex Black Adjustable Fuel Pressure Regulator

AEM Black Adjustable Fuel Pressure Regulator | Honda Civic, Accord, Acura CL

Upgrade your fuel delivery with the AEM Black Adjustable Fuel Pressure Regulator (Part # 25-304BK). Compatible with 1996–1997 Acura CL, 1994–1997 Accord, and 1996–2000 Civic EX. Supports up to 1000 HP with a 1:1 boost-dependent ratio.

The AEM Black Adjustable Fuel Pressure Regulator (Part # 25-304BK) delivers high-precision fuel management for performance-tuned Honda and Acura builds. CNC-machined from 6061-T6 billet aluminum and finished with a durable black anodized coating, this unit provides exceptional durability and a sleek engine bay look.

Engineered to support high-power demands up to 1000 horsepower, the regulator features patented interchangeable discharge orifices that optimize fuel return flow to match any high-flow aftermarket fuel pump. It offers a 1:1 rising rate fuel pressure ratio under boost and adjusts seamlessly from 20 PSI up to full fuel pump capacity. Designed for direct bolt-on installation, it mounts right onto factory OE fuel rails or AEM High Volume Fuel Rails without requiring additional custom hardware.

Best Uses

1. Forced Induction Builds: Ideal for turbocharged or supercharged engines requiring a 1:1 rising rate fuel pressure under boost.
2. High-Horsepower Tuning: Designed for modified setups targeting high horsepower outputs up to 1000 HP.
3. Upgraded Fuel Systems: Perfect when upgrading to higher-volume aftermarket fuel pumps or larger injectors.
4. Track & Street Performance: Ideal for track day enthusiasts and street tuners needing precise A/F ratio fine-tuning.

Features

1. CNC-Machined 6061-T6 Aluminum: Built from high-strength billet aluminum for maximum durability and corrosion resistance.
2. Patented Interchangeable Orifices: Includes swappable discharge ports to match the output rate of virtually any aftermarket fuel pump.
3. 1:1 Rising Pressure Rate: Delivers a boost-dependent 1:1 fuel pressure increase for forced-induction setups.
4. Direct Bolt-On Fitment: Mounts directly onto stock OE fuel rails or AEM High Volume Fuel Rails.
5. Wide Pressure Adjustment Range: Fully adjustable from 20 PSI up to maximum fuel pump capacity.

Benefits

1. Prevents Lean Conditions: Ensures consistent fuel flow under high boost and load, protecting your engine from damage.
2. Supports Extreme Power: Capable of handling fuel delivery needs for high-output engines reaching up to 1000 HP.
3. Versatile Fuel System Plumbing: Tapped base accepts standard -6 AN or 9/16"x18 fittings alongside factory hose barb adapters.
4. Hassle-Free Direct Installation: Includes all necessary fittings to bolt right in without sourcing extra hardware.
5. Eliminates Fuel Delivery Restrictions: Maintains optimal fuel pressure stability even when running high-volume performance pumps.

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