KEMSO 340LPH High-Performance Fuel Pump — Replaces Walbro 255LPH GSS342, Upgrades for E8229/E2068/E8213/EFP382A

Unlock high-flow performance for your fuel system

The KEMSO 340LPH fuel pump is engineered to push more fuel with steady precision, supporting modern performance builds while accommodating both gasoline and E85. Its rugged construction and thoughtful design help you explore more aggressive tunes without compromising reliability or drivability.

Designed to meet the demands of high-output setups, this pump focuses on delivering consistent fuel delivery under pressure and load. The bypass valve is calibrated at 125.8 psi, a setting higher than many traditional 255LPH pumps and typical 400/450LPH units, which can contribute to stable pressure when you ask the engine to run harder, whether on the street or the track.

• Supports up to 600 BHP in NA, turbocharged, and supercharged applications
• Compatible with gasoline or E85 fuels
• Bypass valve set at 125.8 psi for maintained pressure under boost
• Serialized pump body with a lifetime warranty
• USA-based technical support from Kemso specialists

Versatility and compatibility

This pump is designed as a direct upgrade and replacement for the Walbro 255LPH GSS342, bringing enhanced flow and reliability to a range of setups. It also supports popular upgrade paths and integrates with common fuel-system kits, giving you flexibility as your project evolves.

• Replaces Walbro 255LPH GSS342
• Upgrades for E8229, E2068, E8213, and EFP382A configurations
• Fits in a variety of engine bays and vehicle applications

Real-world use cases

In daily driving and on the track, you may notice more consistent fuel pressure under high load, smoother transitions during rapid throttle changes, and improved response when the engine is tuned for higher performance. While results vary by vehicle and setup, the 340LPH pump offers an approachable step up from factory flow targets without requiring drastic changes to your fuel system.

Why choose KEMSO

KEMSO stands behind its performance fuel pumps with a focus on durability and accessible support. The serialized design signals traceability, and the USA-based technicians provide guidance to help you install and configure the pump with confidence. This combination aims to help you pursue your performance goals more smoothly, while keeping installation straightforward and maintenance manageable.

Note: This copy highlights potential benefits based on the provided specifications and is intended to inform and guide purchasing decisions without guaranteeing outcomes. Individual results depend on vehicle, tune, and supporting hardware.