For performance enthusiasts and DIY rebuilders, a reliable in-tank electric fuel pump is essential for consistent fuel delivery, quick starts, and steady power output. The following selections focus on 255–340 LPH pumps that fit a wide range of GM and other makes, with installation kits and compatibility notes to help you choose the right pump for your build. This guide highlights key features, installation considerations, and how these pumps perform in common high-horsepower applications.
| Brand | Model | Flow (LPH) | Notes |
|---|---|---|---|
| AdvanEX | 255LPH Electric Fuel Pump In Tank High Performance | 255 | Includes installation kits; OEM-like durability |
| A-Premium | 255LPH Electric Fuel Pump In Tank | 255 | Extensive vehicle fitment list; installation kits included |
| Aeromotive | 11542 340 Series Stealth Intank Fuel Pump | 340 | High-performance, universal fit, E85 compatible |
| Rogierra | 340LPH High Performance In-Tank Electric Fuel Pump | 340 | Direct replacement option for GSS340 family |
| Achilioson | 340LPH High Performance In-Tank Electric Fuel Pump | 340 | Direct OEM-style fit, installation kit included |
255LPH AdvanEX In-Tank Fuel Pump
AdvanEX offers a 255LPH in-tank pump designed to meet OEM-style fuel delivery for higher efficiency and reliable operation. The unit is built with durable materials and is intended to achieve accurate fuel flow to support performance applications. The package includes necessary installation kits suitable for both trucks and cars that require elevated flow. Professional installation is highly recommended to ensure proper fit and seal integrity between the pump and the tank.
255LPH A-Premium In-Tank Fuel Pump
A-Premium provides a 255LPH in-tank option with broad vehicle compatibility. The reference list shows fitments across numerous GM models and other brands, along with a detailed reference number set. The pump includes installation hardware, making it a practical replacement for enthusiasts who want robust flow without extensive customization. Verify fitment against your vehicle’s year, make, and model before ordering.
Aeromotive 340 Series Stealth Intank Pump
Aeromotive’s 11542 340 Series Stealth pump emphasizes high output with a flow rate exceeding common standards, delivering over 340 LPH at 40 PSI. This compact, universal in-tank pump bolts into many hanger assemblies, making it suitable for EFI and carbureted systems alike. It’s designed to handle power adders and high-demand builds while preserving existing fuel lines and mounting provisions for simple installation.
Aeromotive 340 Series In-Tank Pump For GM Applications
This 340 Series pump is tailored for high-performance GM applications and includes compatibility with E85 in a center-inlet design. It emphasizes durability with a robust turbine mechanism and supports pulse-modulated or continuous operations. It’s a strong choice for engines that demand consistent fuel delivery in forced-induction or high-horsepower setups.
OXCANO EP381 In-Tank Fuel Pump For GM 1982-1995
OXCANO’s EP381 in-tank pump is designed for high-performance EFI setups, including LSx swaps. The 38mm compact design reduces space requirements while maintaining performance. It features an offset inlet for easier installation and is built to match OE-style performance. The kit includes a tank seal and strainer for a complete installation, with pre-tested components to help ensure dependable fuel delivery.
Rogierra 340LPH In-Tank Pump With Installation Kit
Rogierra offers a 340LPH high-performance in-tank pump designed for universal fit and straightforward installation. The package includes a complete installation kit, making it a practical option for direct replacements of GSS341 and similar models. It emphasizes high-flow performance suitable for turbocharged, supercharged, and naturally aspirated engines using gasoline or E85 fuels.
Rogierra 340LPH In-Tank Pump For GSS340 Models
This Rogierra pump is positioned as a direct replacement for GSS340 models, featuring a complete installation kit. It aims to provide reliable high-flow performance with compatibility across a broad range of vehicles that use in-tank pumps, including those converted for performance applications. The kit components facilitate a more straightforward install and secure mounting for consistent fuel pressure.
Achilioson 340LPH In-Tank Pump With Kit
Achilioson’s 340LPH pump emphasizes precise OEM-fit and high-flow capabilities for demanding engines. It is designed for direct replacement with an all-in-one installation kit that includes strainers, hoses, and connectors. The unit promises stable fuel pressure across operating conditions, supporting turbocharged and naturally aspirated builds that require robust fuel management.
Buying Guide
When selecting an in-tank fuel pump, consider flow rate, compatibility, and installation effort. Higher horsepower engines demand more fuel at higher pressure, so pumps in the 340 LPH range are common for performance builds, while 255 LPH units suit moderate upgrades or stock replacements with improved reliability.
- Flow and horsepower: Match the pump’s flow to your engine’s fuel demand, especially if you run forced induction or high-RPM operation.
- Vehicle compatibility: Verify model years and fitment lists or use a universal kit designed for your vehicle family.
- Installation kit and seals: Kits that include hoses, clamps, strainers, and grommets reduce additional shopping and ensure a proper seal.
- Electrical considerations: Check wiring harness compatibility and whether the pump requires a specific voltage or relay.
- Fuel compatibility: If running E85 or high-ethanol blends, ensure the pump materials and seals are compatible with those fuels.
- Reliability and warranty: Look for factory testing, durable materials, and a reasonable warranty period to protect your investment.
In selecting a pump, balance performance needs with ease of installation. Pumps with installation kits and broad vehicle compatibility provide flexibility for future builds or shifts in your project. Always confirm fitment against your specific vehicle year, make, and model, and consider professional installation for the most reliable outcome.