AEM 50-1220 Fuel Pump – Key Features & Functions
340 LPH High Flow Fuel Delivery
Performance-ready output:
- Supports moderate to high horsepower builds
- Provides consistent fuel volume under load
- Ideal for upgraded injectors and tuning setups
Because more power requires more fuel—simple math.
In-Tank OEM-Style Installation
Clean and efficient upgrade:
- Installs in factory fuel tank location
- Retains OEM-style fitment
- Minimal modification required
Because not every upgrade needs to turn into a fabrication project.
AEM’s 340lph E85-Compatible High Waft In-Tank Fuel Pumps feature robust internal construction that may be designed to resist the low lubricity characteristics of ethanol and methanol fuels, and are tested to work with ethanol fuels as much as E100, methanol fuels as much as M100 and all forms of gasoline.
E85 & Ethanol Compatible
Built for modern fuel systems:
- Designed to handle ethanol blends and E85
- Corrosion-resistant internal components
- Reliable performance in flex-fuel setups
Because E85 demands more from your fuel system.
The AEM 340lph E85-Compatible High Waft In-Tank Fuel Pump is designed for in-tank mounting on high performance naturally aspirated and compelled induction vehicles
Stable Fuel Pressure Under Boost
Critical for performance:
- Maintains consistent pressure during acceleration
- Prevents fuel drop under high demand
- Supports safe AFR levels
Because pressure consistency is everything.
The 340lph E85-Compatible High Waft In-Tank fuel pump features a wiring harness, pre filter out and O-rings. Each AEM 340lph E85-Compatible Fuel Pump is tested to Waft 340 lph at 40 PSI before it’s packaged for sale
Durable High-Performance Construction
Built to last:
- High-quality internal components
- Designed for continuous operation
- Reliable under harsh conditions
Because this pump works every time you hit boost.
Why You Need This AEM 50-1220 Fuel Pump
If you’re upgrading injectors, running boost, or switching to E85, this is a must.
The AEM 50-1220 Fuel Pump gives you:
- Reliable fuel delivery for performance builds
- E85 compatibility for modern tuning setups
- Stable pressure under boost and load
- Confidence your fuel system won’t be the weak link
Because fuel delivery should never be your limitation.
Tested and compatible with ethanol fuels as much as E100, methanol fuels as much as M100 and all forms of gasoline
Compact body (39mm diameter x 65mm length)
Ideal Applications
- Turbocharged builds
- Supercharged setups
- E85 and flex-fuel conversions
- Performance street cars
- Track and race builds
Final Verdict
The AEM 50-1220 340 LPH Fuel Pump is one of the most popular and reliable upgrades for supporting increased horsepower.
It’s simple, effective, and ensures your engine gets the fuel it needs—when it needs it.
Because power is useless if your fuel system can’t support it.
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