Why an Inline High-Flow Fuel Pump Matters
Once you start making serious power, your factory fuel system becomes the bottleneck.
Without a proper pump:
- Fuel starvation under load
- Lean conditions
- Power loss
- Engine damage
Because running out of fuel mid-pull isn’t a “feature.”
AEM 50-1009 Fuel Pump – Key Features & Functions
400 LPH High Flow Capacity
Serious fuel delivery:
- Supports high-horsepower builds
- Delivers consistent fuel volume
- Ideal for aggressive performance setups
Because big power needs big fuel.
Inline Fuel Pump Design
Flexible installation:
- Mounts externally along fuel line
- Ideal for custom or upgraded fuel systems
- Can be used as primary or secondary (booster) pump
Because not every build fits in-tank solutions.
Extruded, all-aluminum development to be sturdy, light-weight and rust-free. No-drill, car-explicit application for a customized Have compatibility. Heavy-duty metal development with a sturdy powder coat end .
E85 & Ethanol Compatible
Modern fuel ready:
- Designed for ethanol and E85 use
- Corrosion-resistant internal components
- Supports flex-fuel builds
Because E85 demands more from your fuel system.
High-Pressure Performance
Built for demanding setups:
- Maintains stable pressure under boost
- Supports high fuel demand
- Ensures injector consistency
Because pressure drop = power drop.
Extruded, all-aluminum development to be sturdy, light-weight and rust-free
No-drill, car-explicit application for a customized Have compatibility
Heavy-duty metal development with a sturdy powder coat end
Universal Have compatibility
Durable Construction
Made to last:
- High-quality internal components
- Designed for continuous operation
- Handles extreme conditions
Because this pump doesn’t get downtime.
Why You Need This AEM 50-1009 Fuel Pump
If you’re chasing serious horsepower, this is non-negotiable.
The AEM 50-1009 Fuel Pump gives you:
- Massive fuel delivery for high-power builds
- Reliable pressure under boost and load
- Compatibility with E85 and ethanol fuels
- Flexible inline installation for custom setups
Because your fuel system should never be the limiting factor.
Ideal Applications
- High-horsepower turbo builds
- Supercharged setups
- E85 and flex-fuel systems
- Track and race cars
- Custom fuel system builds
Final Verdict
The AEM 50-1009 400 LPH Inline Fuel Pump is built for serious performance.
It delivers the fuel your engine needs to make power safely and consistently—no hesitation, no drop-off.
Because when you’re making big power, fuel delivery isn’t optional.






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