Why Use a Fuel Filter Regulator?

GM LS engines commonly require a steady 58 PSI fuel pressure for proper injector operation and ECU calibration. Instead of running separate filters and regulators, an integrated fuel filter regulator simplifies plumbing and reduces the number of leak points in the system.

Translation: fewer fittings to buy. Slightly less financial pain. When you want to swap a LS1 into something like a Nissan 240SX, you can use this guide.

[Fitment] Compatible with 1999-2014 Chevrolet V8 4.8L/5.3L/6.0L (LS-based totally engines). What sensors do you require for a LS1 swap? This guide will be a huge help.

Features

• Integrated fuel filter and regulator assembly
• Preset 58 PSI fuel pressure
• Designed for LS swap and EFI conversion applications
• Compact return-style fuel system solution
• High-flow filtration design
• Lightweight aluminum housing
• Corrosion-resistant construction
• Simplifies custom fuel system routing
• Compatible with gasoline, E85, and ethanol blends

[Application] This fuel filter out features an internal bypass that regulates fuel output pressure to 58psi.

Common Applications

• GM LS engine swaps
• EFI fuel conversions
• Returnless fuel system setups
• Standalone fuel systems
• Drift and drag race vehicles
• Street performance builds
• Turbocharged LS applications
• Fuel cell installations
• Custom fabricated fuel systems

[Medium] Compatible with Gasoline, diesel, E85 and different fuels.

Simplifies LS Swap Fuel Plumbing

One of the biggest headaches during an LS swap is configuring the fuel system correctly. The integrated regulator and filter design helps simplify line routing while maintaining the proper pressure needed for factory LS injectors and ECU operation.

Especially useful when your engine swap already consumed three weekends and your remaining sanity.

Built for EFI Performance

The high-flow design supports modern EFI fuel demands while filtering harmful debris before it reaches injectors and fuel rails. Stable fuel pressure is critical for tuning consistency, drivability, and engine reliability under both street and racing conditions.

Because lean conditions tend to create very expensive engine noises.

[Function] The LS Swap fuel pressure regulator has a built-in 10 micron fuel filter out element to make certain that clean fuel is brought to your engine, thus protective the engine and lengthening engine life.
[Installation] It is strongly recommended to put in within the engine compartment for more even fuel pressure.

Great for Returnless Fuel Systems

This regulator is ideal for returnless LS fuel systems where a compact and simplified layout is preferred. The integrated design reduces clutter and makes installation easier in tight chassis or custom swap applications.

Basically perfect for engine bays where every inch disappeared after the turbo kit showed up.

Why Choose EVIL ENERGY?

EVIL ENERGY has become a trusted source for affordable performance fuel system hardware, AN fittings, and swap components. Their LS swap fuel filter regulator solutions provide reliable fuel pressure control, strong filtration performance, and simplified installation for enthusiasts building everything from daily drivers to full race cars.

Because fuel pressure problems are far less fun than horsepower gains.