Walbro 255LPH Inline Fuel Pump (GSL392-72) — Universal External EFI Pump

Walbro 255LPH Inline Fuel Pump (GSL392-72) — Universal External EFI Pump

Upgrade your fuel system with the legendary Walbro / TI Automotive 255 LPH inline pump—a go-to choice for boosted and performance builds that need consistent fuel delivery and strong reliability. This is an external in-line electric pump that works great for EFI conversions, high-demand street setups, and race-inspired fuel systems.

Highlights

• 255 LPH flow rating (performance-capable fuel supply)

• External inline design — ideal when you don’t want or can’t run an in-tank pump

• Universal fitment for custom fuel systems and upgrades

• Built for gasoline applications

• Strong, consistent pressure support for upgraded injectors and increased horsepower goals

Specs

• Part Number: GSL392-72

• Pump Type: Electric external inline (in-line / frame-mount style)

• Flow: 255 LPH

• Inlet/Outlet: 10mm x 1.0 female threaded ports

• Includes: Pump only (hardware/fittings vary by install)

Install Notes (Recommended)

For best performance and pump life:

• Mount close to and below the fuel tank

• Use a pre-filter before the pump and a fine filter after the pump

Sold individually.