Walbro 525LPH High-Flow In-Tank Fuel Pump

The Walbro 525LPH — also known as the “Hellcat pump” — is one of the most trusted high-flow in-tank fuel pumps on the market for serious performance builds.

With flow capability to support 700–900+ horsepower, this pump is the go-to choice for boosted engines, big turbos, or E85 setups that demand reliable, stable fuel supply under heavy load.

Why choose the Walbro 525?

• Massive Fuel Flow:
  Delivers up to 525 liters per hour, ensuring your engine stays properly fueled at high boost and high RPM.
• E85 Ready:
  Fully compatible with ethanol fuels like E85 — perfect for modern high-performance or flex-fuel applications.
• Proven Reliability:
  Built using Walbro’s advanced dual-channel turbine design for quiet operation, efficient flow, and long life — even with aggressive tuning.
• Compact Size:
  Fits many factory fuel baskets with minor or no modifications. Ideal for cars upgrading from a Walbro 255 or 460 pump.

Recommended For:

✅ High boost turbo or supercharged builds
✅ E85/flex-fuel conversions
✅ Big horsepower street and track cars
✅ Anyone maxing out a stock or smaller aftermarket pump

Specs at a Glance:

• Part Number: F90000285
• Flow Rate: 525 LPH @ 40 psi (tested at 13.5 volts)
• Fuel: Pump gas & E85 compatible
• Max Current Draw: ~25A — ensure proper wiring and relay setup
• Check Valve: Built-in to prevent fuel pressure drop-off

What’s Included:

✅1x Walbro 525LPH in-tank fuel pump
✅ Installation kit

⚡Important Notes:

Upgraded wiring and a proper fuel pump controller or relay are strongly recommended to handle the higher current draw.