EVIL ENERGY 300 LPH External Inline Fuel Pump Kit for 12V EFI — 10ft 6AN Hose & Aluminum Fittings, High-Flow 75 PSI

This kit combines a high-capacity inline electric pump with reinforced fuel hose and lightweight aluminum fittings to upgrade or replace stock fuel delivery for gasoline and diesel 12V EFI setups. Designed for consistent flow under a range of operating voltages and pressures, it aims to stabilize fuel supply for improved throttle response and reduced risk of starvation during higher-demand driving. The package has been assembled for hobbyists and professional mechanics who need a straightforward external pump solution that installs beneath the tank and connects with 6AN fittings.

How much fuel flow and pressure can I expect from this pump?

The pump is rated across a range of test conditions: approximately 200 LPH at 75 PSI and 12V, 255 LPH at 43 PSI and 12V, and up to 300 LPH at 43 PSI and 13.5V. It is intended for systems operating near these voltages and pressures, delivering steady volume for many EFI setups without internal tank mounting.

• Test results: 200–300 LPH depending on voltage and pressure.
• Operating pressure specified around 75 PSI maximum.
• Performs best when mounted lower than the tank for gravity assistance.

What materials and hoses are included, and are they durable?

The included 6AN fuel line uses a CPE rubber inner tube, reinforced with 304 stainless-steel wire and finished with a tough nylon braid to resist abrasion and kinking. Fittings are aluminum for corrosion resistance and lightweight handling, chosen to balance durability and ease of installation.

• CPE inner tube for chemical compatibility with gasoline and diesel.
• 304 stainless-steel wire reinforcement for pressure stability.
• Nylon outer braid and aluminum fittings minimize weight and corrosion.

Is this pump compatible with my vehicle and how should it be installed?

The pump supports 12V DC EFI systems and is suitable for both gasoline and diesel applications where an external inline pump is desired. For best reliability and priming, mount the pump below the fuel tank so it benefits from gravity feed; the kit includes the necessary aluminum fittings and instructions to facilitate a secure connection.

• Designed for 12V EFI gasoline and diesel systems.
• Recommended mounting: below tank to help with fuel supply and reduce cavitation.
• Kit includes fittings and a 10 ft 6AN hose for common routing needs.

What operating temperatures and environmental limits should I be aware of?

This pump is engineered to run across a wide temperature range, from extreme cold to high-heat environments, supporting operation from about -68°F to 194°F. Those limits make it suitable for many climates, though attention to heat sources and routing will extend service life.

• Operating temperature: -68°F to 194°F.
• Use heat shielding or routing away from exhaust or manifolds where possible.
• Confirm wiring and fuse protection per installation instructions to prevent electrical stress.

Who is this for? This EVIL ENERGY External Inline Fuel Pump Kit is aimed at car enthusiasts upgrading to a higher-flow external pump, builders of custom EFI projects, and mechanics needing a dependable replacement pump with long hose runs. It suits anyone who wants a ready-to-install high-flow inline pump assembly with reinforced 6AN fuel line and corrosion-resistant fittings, especially where tank-mounted pumps are impractical or when supplemental flow is required for performance applications.