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1965-1967 Pontiac GTO EFI Fuel Tank Kit - 255 LPH Pump


1965-1967 Pontiac GTO EFI Fuel Tank Kit - 255 LPH Pump
Purchase 1965-1967 Pontiac GTO EFI Fuel Tank Kit - 255 LPH Pump
  • 1965-1967 Pontiac GTO EFI Fuel Tank Kit - 255 LPH Pump

  • $586.00

1965-1967 Pontiac GTO LS EFI Fuel Tank Upgrade

Modernizing fuel delivery for LS conversions in 1965 to 1967 A Body GTOs, the LS EFI Fuel Tank Kit combines a high-flow 255 LPH pump with anti slosh baffling to maintain consistent flow during aggressive cornering. Precision fuel level readings and plug and play OEM style fitment simplify installation, while USA assembly ensures lasting quality and reliable EFI operation.

LS Swap EFI Fuel Tank Kit for 1965-1967 Pontiac GTO

Fuel supply can make or break an LS swap in a classic GTO and this EFI tank kit with a 255 LPH pump is built specifically for 1965 to 1967 Pontiac GTO models. It integrates a Walbro 255 LPH pump within the tank assembly, preserving original mounting points while delivering consistent pressure for engines up to 550 hp. With engineered baffling to prevent fuel starvation during cornering and a calibrated sending unit for accurate gauge readings, the system keeps the engine fed under demanding driving conditions. All necessary hardware arrives ready to install, eliminating the need for modifications and cutting installation time.

OEM Style Direct Fit for 1965 to 1967 Pontiac GTO EFI

The EFI fuel tank kit installs using the factory mounting points of 1965 to 1967 Pontiac GTO models. The tank is engineered to drop in place without any body or frame changes, preserving the classic undercarriage layout. This direct fit approach cuts installation time and reduces the chance of alignment issues, making it ideal for both professional builds and home restorations. All sealing gaskets and mounting straps come with the kit to ensure an airtight seal and secure tank support from the start.

Fuel Baffle Design for Corner Resistance

Engineered baffles inside the tank prevent fuel from shifting during sharp turns or sudden stops, maintaining steady pickup at all times. This approach eliminates the risk of momentary fuel starvation that can occur in a standard reservoir without internal dividers. By channeling fuel toward the pump inlet, the system ensures that high demand from a powerful engine never exceeds the supply into the fuel rail. The result is consistent flow even under aggressive driving conditions.

Integrated Walbro 255 LPH Pump for Up to 550 Horsepower

The system features a Walbro 255 LPH fuel pump mounted inside the tank to support engines up to 550 horsepower. By locating the pump within the fuel reservoir, heat soak is reduced and pump longevity is improved compared to external mount configurations. This setup also simplifies plumbing by keeping high pressure lines short and contained, which in turn stabilizes fuel pressure under load. The package includes all necessary hardware to wire the pump directly to the factory circuit for a clean and reliable installation.

Calibrated Fuel Sending Unit for Accurate Gauge Readings

The built in sending unit is calibrated to match the original gauge resistance curve of Pontiac GTO models, delivering accurate fuel level feedback without aftermarket adapters. Its precision float arm adjusts with minimal slack, preventing erratic jumps that can mislead the driver. Made from corrosion resistant materials, the assembly withstands ethanol blends and ensures long service life. Installers benefit from the plug and play connector design that mates directly with the factory harness.

This kit provides consistent performance and an exact fit for classic GTO builds. To upgrade to a Larger capacity fuel pump Kit at 400 LPH, see our 1965-1967 Pontiac GTO EFI Fuel Tank Kit - 400 LPH Pump.

Fitment

  • 1965-1967 Pontiac GTO

Specifications

  • SKU: 101-6685-04
  • Swap Engine: LS
  • Body Type: A-Body
  • Brand: Muscle Rods
  • What's Included:
    • 255 LPH Walbro fuel pump (up to 550 HP)
    • In-tank tuel pump module
    • Sending unit
    • Tank straps
    • Filler neck
    • Vent filter
    • Gaskets
    • Hardware

Key Features

  • EFI Conversion Fuel Tank kit for 1965-1967 Pontiac GTO, Lemans, and Tempest
  • High-flow Walbro 255 LPH in-tank pump for up to 550 HP performance
  • Precision fuel sending unit for factory gauge accuracy
  • OEM-style direct-fit integration requiring no modifications
  • Engineered anti-slosh baffling for consistent fuel pickup
  • Proudly assembled in the USA

Benefits

  • Modernizes your classic fuel system for reliable EFI operation
  • Provides uninterrupted fuel flow under high-demand driving
  • Delivers precise fuel level readings for peace of mind
  • Simplifies installation to save time and labor
  • Maintains performance during aggressive cornering and acceleration
  • Supports American craftsmanship and quality standards

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