Best Inline Fuel Pump for Efi: 5 Options Compared

Upgrading your EFI system’s fuel delivery can unlock serious performance, but choosing the right inline fuel pump is critical. A pump that’s too weak starves your engine, while an oversized one can cause headaches.

This guide compares five inline fuel pumps for EFI, from budget-friendly kits to high-horsepower units. We break down flow rates, compatibility, and installation tips so you can pick the pump that fits your project perfectly.

EVIL ENERGY External Inline Fuel Pump Kit – Complete Setup

The EVIL ENERGY External Inline Fuel Pump Kit is a comprehensive solution that includes a 300 LPH pump, a 10-foot 6AN CPE fuel line rated at 750 PSI, and precision aluminum fittings. This kit simplifies your fuel system upgrade by providing everything you need for a clean, high-flow installation. The pump delivers 200 LPH at 75 PSI and 12V, ramping up to 300 LPH at 43 PSI and 13.5V, making it suitable for a wide range of EFI applications.

The included fuel hose features a CPE rubber inner tube with 304 stainless-steel wire reinforcement and a durable nylon outer braid, offering excellent strength and flexibility. With an operating temperature range of -68°F to 194°F, this kit is built to withstand harsh conditions. It’s compatible with gasoline and race gas, making it a versatile choice for your build. The all-in-one nature of this kit saves you time sourcing separate components.

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• Fuel System Upgrade: This kit includes a high-flow fuel pump (200–300 LPH), a 6AN CPE fuel line rated at 750 PSI, and precision aluminum fittings. It provides stable, high-volume fuel delivery for gasoline and diesel applications.
• Material: The 6AN fuel hose features a CPE rubber inner tube, 304 stainless-steel wire reinforcement, and a durable nylon outer braid for added strength and flexibility. Lightweight aluminum fittings resist corrosion and ensure long-lasting performance.
• Parameter: Test Flow: 200 LPH (75 PSI & 12V); 255 LPH (43 PSI & 12V); 300 LPH (43 PSI & 13.5V). Operating Pressure:75 PSI. Operating Temperature Range: -68°F-194°F.
• Compatibility: This high-flow 300 LPH external fuel pump with a 6AN fuel hose is compatible with gasoline and diesel, ensuring stable and reliable fuel delivery for 12V DC EFI systems.
• Installation Tips: Mount the inline fuel pump below the fuel tank for optimal gravity-fed operation. All necessary fittings and instructions are included for a secure and hassle-free installation.

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EVIL ENERGY External Inline Fuel Pump 300LPH – With Bracket

The EVIL ENERGY External Inline Fuel Pump with a 60mm bracket clamp offers a convenient mounting solution for your EFI system. This 12V pump delivers 200 LPH at 75 PSI and 12V, 255 LPH at 43 PSI and 12V, and 300 LPH at 43 PSI and 13.5V. The included bracket simplifies installation, allowing you to securely mount the pump below the tank for gravity-fed fuel flow.

Compatible with gasoline, pump gas, race gas, and diesel, this pump is versatile for various fuel types. Its operating pressure is 75 PSI, and it can handle temperatures from -68°F to 194°F. The bracket clamp ensures a stable fit, reducing vibration and noise. If you need a reliable pump with a ready-to-mount bracket, this is a solid choice for your EFI conversion or upgrade.

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• Fitment: This external fuel pump is designed to fit 12V DC EFI systems only.
• Parameter: Test flow: 200 LPH (at 75 PSI & 12V); 255 LPH (at 43 PSI & 12V); 300 LPH (43 PSI & 13.5 V). Operating pressure: 75 PSI. Operating temperature range: -68℉ to 194℉.
• Medium: The inline fuel pump is compatible with gasoline, pump gas, race gas, and diesel.
• Installation: It is recommended to install the fuel pump below the tank to ensure gravity-fed fuel flow from the tank. Installation instructions are included.
• Package Contents: The package includes 1 × fuel pump, 1 × mounting bracket, 2 × gaskets, 1 × washer, 2 × nuts, 2 × insulated terminals, 1 × 10AN inlet adapter, 1 × 6AN outlet adapter, 2 × rubber connection covers, and a detailed user manual — ensuring a straightforward installation process.

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EVIL ENERGY External Inline Fuel Pump 300LPH – Universal

The EVIL ENERGY External Inline Fuel Pump is a universal 12V unit designed for EFI systems. It delivers 200 LPH at 75 PSI and 12V, 255 LPH at 43 PSI and 12V, and 300 LPH at 43 PSI and 13.5V. This pump is compatible with gasoline, pump gas, race gas, and diesel, offering flexibility for different builds. Its universal design means you can integrate it into various fuel system layouts.

With an operating pressure of 75 PSI and a temperature range of -68°F to 194°F, this pump is built for demanding conditions. Installation instructions recommend mounting it below the tank for gravity-fed flow. If you’re looking for a straightforward, high-flow pump without extra accessories, this is a cost-effective option. It’s a reliable choice for EFI conversions or performance upgrades where you already have your own fittings and lines.

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• Application: This fuel pump is designed to fit 12V DC EFI systems only.
• Parameter: Test flow: 200 LPH (at 75 PSI and 12V), 255 LPH (at 43 PSI and 12V), and 300 LPH (at 43 PSI and 13.5V). Operating pressure: 75 PSI. Operating temperature range: -68°F to 194°F.
• Medium: The inline fuel pump is compatible with gasoline, pump gas, race gas, and diesel.
• Installation: It is recommended to install the fuel pump below the tank to ensure gravity-fed fuel flow from the tank. Installation instructions are included.
• Package Contents: The package includes 1 × fuel pump, 2 × gaskets, 1 × washer, 2 × nuts, 2 × insulated terminals, 1 × inlet 10AN adapter, 1 × outlet 6AN adapter, 2 × rubber connection covers and 1 × user manual for easy installation.

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Yinlowa GSL392 Inline Fuel Pump & 58 PSI Regulator – LS Swap

The Yinlowa GSL392 kit combines a 255 LPH high-pressure fuel pump with a 58 PSI fuel filter regulator, making it ideal for LS swaps and EFI conversions. The regulator delivers 58 PSI (4 BAR) to your fuel rail and includes 6AN adapter fittings. The pump is designed for high-pressure racing or performance applications, providing stable and safe fuel delivery for turbo or supercharged setups.

This kit replaces part numbers 61633737, 001834890, and others, offering a direct-fit solution for many applications. It’s compatible with EFI systems including forced induction, and the 6AN fittings simplify connection to your fuel lines. If you’re building an LS swap or need a reliable 58 PSI regulator, this all-in-one kit saves you the hassle of sourcing separate components. It’s a focused solution for high-pressure EFI needs.

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• REPLACEMENT 58 PSI FUEL FILTER REGULATOR – Fuel pressure regulator filter kit comes with 6AN adpater fittings for LS Swap , which can deliver 58 PSI (4 BAR) to your fuel rail and return unused gas to the tank. Besides, it can ensure the clean fuel is delivered properly to your engine with a 10 micron fuel filter, which play an important role in protecting the daily operation of the engine, and extending the engine service lifespan.
• GSL392 HIGH PRESSURE FUEL PUMP – LS Inline fuel pump is designed to start higher-pressure fuel racing or performance-purpose vehicles stably and safely, which can help to meet the requirements of most modern turbocharging applications. At 80 PSI, Yinlowa 255 lph high pressure fuel pump can flow around 132 liters (35 gallons) per hour; At that same 80 PSI the equivalent HP (high pressure) fuel pump can flow over 210 liters (50 gallons) per hour; Pressure: 255 (LPH) Liters Per Hour; AMP: 20.
• FITMENTS – GSL392-400-939 Inline Fuel Pump fits EFI applications including turbo and supercharged, variety of pressures and flows available, including high pressure performance; 58 PSI Fuel Pressure Regulator AN-6 Fittings for LS Swap EFI Conversion is compatible with Chevy 1999-2014 V8 5.3L/325 Chevy small block Gen III/IV (LS-based engines); Chevy 1999-2014 V8 4.8L/294 Chevy small block Gen III/IV (LS-based engines); Chevy 1999-2014 V8 6.0L/364 Chevy small block Gen III/IV (LS-based engines).
• REPLACE PART # – Fuel Filter Regulator Replaces 61633737, 001834890, 1834890 86737, FF881DL, G11290, G8836, GF1822, GG299, GG-299, GF336, G3737, 33737, 3737, 73737, PF5493, F55493, WIX 33737, 10299146, 19239926, GF822, TBSS intake, NNBS Intake, L92 Intake, returnless, LS1, LS2, LS3, LS6, LQ4, LQ9, LM7, L99, L76, LSX, 4.8, 5.3; Adapter Fitting Replaces 644123, 644113; Fuel Pump Replaces GSL392-400-939 ; GSL392400939; GSL392; 400-939. Please check fitments & part number before ordering, Thanks!
• OEM DESIGN, DIRECT FIT – With mounting bracket and rubber insulator, fuel pressure regulator filter kit can be installed easily in the place between the tank and the engine or in the engine compartment. After simple installation, this filter help to create a returnless fuel supply for LS engine swaps and electronic fuel injection conversions. The bypass regulator passes excess fuel back into the tank then the pump can run freely. Save time and hundreds of dollars by replace the parts yourself.
• WHAT YOU’LL GET – 1 x fuel filter/regulator, 1 x 3/8'' EFI push on lock fitting for inlet, 1 x 5/16'' EFI push on lock fitting for return, 1 x 6AN male to 3/8 male push on EFI fitting for outlet, 1 x GSL392 Inline fuel pump; 12-MONTH Warranty and LIFETIME Technical Support; If this GSL392-400-939 Fuel Pump Kit ever fails on your EFI applications, please don’t hesitate to contact us for the replacement. True hassle-free shopping experience 🙂

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Aeromotive A1000 In-Line Electric Fuel Pump – High Horsepower

The Aeromotive A1000 is a legendary high-flow electric fuel pump designed for serious performance. It supports up to 1300 HP naturally aspirated or 1000 HP forced induction with EFI, and even more for carbureted setups. This 12V pump features ORB-10 inlet and outlet ports for high-flow connections, making it a top choice for high-horsepower gas and E85 applications. It’s not compatible with diesel.

Built for EFI or carbureted systems, the A1000 delivers reliable fuel flow under extreme conditions. Its robust construction ensures durability in demanding racing environments. If you’re building a high-horsepower engine that needs massive fuel delivery, this pump is a proven performer. While it’s an investment, its reputation for reliability and flow capacity makes it a go-to for serious builders. It’s the pump you choose when nothing less will do.

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• HIGH-FLOW ELECTRIC FUEL PUMP PERFORMANCE: This 12 volt electric fuel pump supports high-horsepower gas engines, delivering reliable fuel flow for EFI or carbureted applications
• FOR EFI OR CARBURETED APPLICATIONS: Supports up to 1300 HP naturally aspirated / 1000 HP forced induction w/ EFI, & up to 1500 HP naturally aspirated / 1200 HP forced induction for carbureted engines
• BUILT FOR GAS AND E85 APPLICATIONS: Compatible with gasoline and E85 fuel, this high-flow fuel pump supports both EFI and carbureted systems. Not compatible for use with diesel fuel
• ORB-10 PORT DESIGN: Features ORB-10 inlet & outlet ports for high-flow fuel line connections, supporting proper fuel pressure control when paired w/ a compatible fuel pressure regulator (not included)
• TRUSTED PERFORMANCE – Durable, reliable, good looking, and it supports high horsepower. Perfect for the daily driver that doesn't run like a daily driver

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Buyer’s Guide: What to Consider

Choosing the right inline fuel pump for EFI involves matching flow, pressure, and compatibility to your engine’s needs. Here are key factors to consider.

• Flow Rate: Match the pump's LPH rating to your engine's horsepower. 255-300 LPH suits most builds, but high-HP setups may need more.
• Fuel Compatibility: Check if the pump works with your fuel type—gasoline, E85, or diesel. Some pumps are not compatible with all fuels.
• Pressure Rating: EFI systems typically need 58 PSI or more. Ensure the pump's operating pressure meets your fuel rail requirements.
• Installation Position: Mount the pump below the fuel tank for gravity-fed flow. This prevents cavitation and ensures consistent fuel delivery.
• Included Accessories: Some kits include brackets, hoses, or regulators. Decide if you want a complete kit or just the pump to save on costs.

Conclusion

Selecting the best inline fuel pump for EFI depends on your specific build. For a complete kit, the EVIL ENERGY pump with hose and fittings is hard to beat. If you need high horsepower, the Aeromotive A1000 is the top performer.

For LS swaps, the Yinlowa GSL392 with its 58 PSI regulator is a perfect match. Consider your flow needs, fuel type, and installation preferences to make the right choice for your project.