EVIL ENERGY Fuel Injection In-Line Fuel Delivery Kit EFI External Frame Mounted Pump Kit

Pump flow must be compared at the intended operating pressure and the voltage available at the pump. This 300LPH external fuel pump is a 12V inline fuel pump for compatible EFI systems, with the following published flow points:

Do not select the pump using the 300LPH model name or a horsepower estimate alone. Injector demand, base pressure, boost reference, fuel type, wiring voltage, filter condition, hose routing, and regulator configuration all affect the fuel delivered to the engine.

Builders searching for an EVIL ENERGY 044 fuel pump should confirm the actual pump connections and installation layout rather than relying only on the '044' name. This external fuel pump for fuel injection requires verification of the inlet and outlet thread adapters, selected 6AN fittings, external mounting space, electrical supply, fuel compatibility, and required flow at operating pressure before ordering.

• Confirm the vehicle uses a compatible 12V EFI fuel system.
• Check the pump inlet and outlet fittings against the selected kit.
• Verify relay, fuse, power wire, ground, and loaded pump voltage.
• Mount the pump close to the tank and below the tank outlet when safely permitted.
• Keep the pump and hoses away from exhaust heat, moving parts, road debris, and impact.
• Use suitable vibration-isolating mounts and inspect them after installation.

Install the 100 micron pre fuel filter between the fuel tank and pump to help stop larger debris while limiting inlet restriction. Install the 30 micron fuel filter after the pump to provide finer filtration before fuel reaches the regulator, rail, or injectors. This arrangement makes the package a practical universal inline fuel pump kit with filters for compatible custom EFI layouts, while final fitment still depends on the vehicle and system design.

Recommended flow sequence:
Fuel Tank → 100-Micron Pre-Filter → External Fuel Pump → 30-Micron Post-Filter → Regulator/Fuel Rail

Select the hose according to fuel type, temperature, routing space, bend requirements, and the complete system—not only by pressure rating. The PTFE fuel line provides greater temperature and chemical resistance, while CPE fuel hoses are generally easier to route in tighter areas. For a compatible ethanol build, choose the AN6 PTFE fuel line kit for E85 only after confirming every pump, filter, seal, fitting, regulator, and injector-side component.

• Confirm required fuel flow at the intended operating pressure.
• Verify the voltage available at the pump while the system is operating.
• Confirm whether the PTFE or CPE hose option matches the intended fuel.
• Plan the complete feed and return routing before cutting either hose.
• Check that the included straight, 45-degree, and bulkhead EVIL ENERGY fuel pump fittings match the installation.
• Confirm space for the pump, both filters, and all three mounting brackets.
• Add a compatible fuel-pressure regulator, relay, fuse, wiring, and vehicle-specific adapters when required.
• Prime the system and inspect every connection for leaks before operating the engine.

This package reduces the need to source the pump, filtration, fuel injection lines , fittings, and brackets separately. As a complete inline fuel pump and hose package, it is suitable for experienced DIY builders and professional installers assembling a custom LS swap or EFI system. It is not a vehicle-specific plug-and-play kit; final compatibility depends on the tank, regulator, rail, injectors, electrical system, fuel type, and routing requirements.

For product questions, contact support@ievilenergy.com .