AEM's 340LPH E85-Compatible High Flow In-Tank Fuel Pump features robust internal construction built to withstand the low lubricity of ethanol and methanol fuels, tested to work with ethanol up to E100, methanol up to M100, and all gasoline types. Designed for in-tank mounting on high-performance naturally aspirated and forced-induction vehicles, it has a compact 39mm diameter that fits most applications and an offset inlet design that eases installation. The kit includes a wiring harness, pre-filter, end cap, and rubber buffer sleeve, and every pump is flow-tested to 340 lph at 40 PSI before packaging.
WarrantyInstallation Instructions
Specifications:
- Outside diameter: 39mm OD, black plated steel with laser etching
- Tested to flow 340 lph @ 40 PSI, PRV activation at 80 PSI
- Compatible with ethanol up to E100, methanol up to M100, and all gasoline types
- Inlet: 7.7mm ID offset inline; Outlet: 8mm hose clamp, offset
- Voltage range 6-18V; current draw 12A @ 40 psi, 15A @ 80 psi; 20A fuse recommended
- Kit includes fuel pump, rubber sleeve, end caps, pre-filter, and flying lead
- Part Number: 50-1200
FAQ
What fuels is the 50-1200 pump compatible with?
It's tested and rated for ethanol fuels up to E100, methanol fuels up to M100, and all types of gasoline.
What size fuel line does the outlet use?
The outlet is an 8mm hose clamp fitting; the inlet is a 7.7mm ID offset inline fitting.
What's included in the kit?
The kit includes the 39mm in-tank fuel pump, a wiring harness with flying lead, pre-filter, rubber buffer sleeve, and end caps.

