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1965-1967 Pontiac GTO EFI Fuel Tank Kit - 400 LPH Pump


1965-1967 Pontiac GTO EFI Fuel Tank Kit - 400 LPH Pump
Purchase 1965-1967 Pontiac GTO EFI Fuel Tank Kit - 400 LPH Pump
  • 1965-1967 Pontiac GTO EFI Fuel Tank Kit - 400 LPH Pump

  • $649.00

    SKU: 101-6685-06

400 LPH EFI Fuel Tank for 1965-1967 Pontiac GTO LS/LT

Optimized for restorations and engine swaps on A-Body chassis, the 1965-1967 Pontiac GTO EFI Fuel Tank Kit combines a precision molded tank and a 400 LPH Walbro pump to eliminate fitment headaches and deliver steady fueling for LS and LT engines in supercharged or 550+ horsepower applications. Built with premium materials and made in the USA, this kit ensures reliable performance under rigorous driving conditions.

1965-1967 Pontiac GTO EFI Fuel Tank Kit for LS and LT Engine Swaps

Tackling an LS or LT swap in a classic GTO often comes down to finding a fuel tank that matches the car's contours while feeding a performance engine. Designed for A Body applications the kit pairs a custom-molded reservoir with a 400 LPH Walbro pump to deliver steady flow for boosted LS and LT builds. Including all required straps, gaskets and vent filters streamlines installation and maintains corrosion resistance during spirited driving. Engineers have tested each element to handle more than 550 horsepower without requiring frame rail or filler neck modifications.

Engineered Fit for 1965 to 1967 GTO A Body Chassis

Every contour and mounting point is tailored to the original floor pan of a 1965 to 1967 Pontiac GTO, along with select LeMans and Tempest models sharing the A Body architecture. This precision alignment eliminates the need for custom brackets or frame rail alterations during an LS or LT swap. Proper seating of the tank reduces movement and vibration, preserving the integrity of both the reservoir and in-tank components over thousands of miles. Technicians will appreciate the drop-in nature of this design, which keeps focus on performance rather than fitment challenges.

Consistent Supply from 400 LPH Walbro Pump

At its core, the kit features a 400 LPH Walbro unit engineered to maintain a steady fuel flow even under cornering, hard acceleration, or when running more than 550 horsepower. By locating the pump inside the tank, the system benefits from constant fuel cooling and reduced vapor formation that can lead to hesitation. The robust internal strainer and integrated module ensure debris stays clear of the pump inlet, contributing to prolonged service life. For boosted LS and LT configurations, this level of delivery safeguards against momentary starve that can compromise engine response.

Complete Kit for Streamlined Installation

This package combines every essential element needed for a seamless swap, including the fuel pump assembly, sending unit, heavy-duty straps, filler neck, vent filter, gaskets, and mounting hardware. The sending unit is calibrated to work with the original gauge cluster, preserving accurate fuel level monitoring without additional adapters. Vent filters and precision-molded gaskets prevent leaks and vapor odors, while included straps and hardware secure the tank firmly in place. By sourcing all items in one shipment, installers avoid delays and mismatched parts that often arise during custom builds.

American Craftsmanship Ensures Durability for Powerful Builds

Manufactured in the USA, this tank and pump kit undergo rigorous quality checks to meet demanding driving conditions from spirited street runs to track days. Materials are selected for their resistance to ethanol blends and corrosion, providing a reliable foundation for years of use. Endurance testing simulates slalom courses, bumps, and extended high-load operation to confirm that seals and welds remain leak-free. This commitment to domestic production and proven durability delivers confidence that your fuel system will keep pace with any LS or LT engine upgrade.

Count on MuscleRods quality. To complete your Smaller capacity fuel pump Kit at 255 LPH see our 1965-1967 Pontiac GTO EFI Fuel Tank Kit - 255 LPH Pump.

Fitment

  • 1965-1967 Pontiac GTO

Specifications

  • SKU: 101-6685-06
  • Swap Engine: LS, LT
  • Body Type: A-Body
  • Brand: Muscle Rods
  • What's Included:
    • 400 LPH Walbro fuel pump (for supercharged or over 550 HP applications)
    • In-tank tuel pump module
    • Sending unit
    • Tank straps
    • Filler neck
    • Vent filter
    • Gaskets
    • Hardware

Key Features

  • Precision-fit EFI tank conversion for 1965-67 GTO, 1966-67 Lemans, Tempest
  • 400 LPH Walbro pump delivers steady optimized fuel flow
  • Supports supercharged engines and builds over 550 horsepower
  • Premium materials engineered for high-performance driving durability
  • Optimized for A-Body chassis with LS and LT engines
  • Proudly Made in the USA

Benefits

  • Eliminates fitment hassles with vehicle-specific tank compatibility
  • Maintains consistent engine performance with optimized fuel delivery
  • Ensures reliable fueling for supercharged or high-horsepower applications
  • Withstands rigorous driving with durable, performance-grade components
  • Provides seamless integration on A-Body chassis with LS/LT engines
  • Guarantees quality and reliability from American manufacturing standards

This Item Assigned to Category and Also Fits:

Description

1965-1967 Pontiac GTO EFI Fuel Tank Kit for LS and LT Engine Swaps

Tackling an LS or LT swap in a classic GTO often comes down to finding a fuel tank that matches the car's contours while feeding a performance engine. Designed for A Body applications the kit pairs a custom-molded reservoir with a 400 LPH Walbro pump to deliver steady flow for boosted LS and LT builds. Including all required straps, gaskets and vent filters streamlines installation and maintains corrosion resistance during spirited driving. Engineers have tested each element to handle more than 550 horsepower without requiring frame rail or filler neck modifications.

Engineered Fit for 1965 to 1967 GTO A Body Chassis

Every contour and mounting point is tailored to the original floor pan of a 1965 to 1967 Pontiac GTO, along with select LeMans and Tempest models sharing the A Body architecture. This precision alignment eliminates the need for custom brackets or frame rail alterations during an LS or LT swap. Proper seating of the tank reduces movement and vibration, preserving the integrity of both the reservoir and in-tank components over thousands of miles. Technicians will appreciate the drop-in nature of this design, which keeps focus on performance rather than fitment challenges.

Consistent Supply from 400 LPH Walbro Pump

At its core, the kit features a 400 LPH Walbro unit engineered to maintain a steady fuel flow even under cornering, hard acceleration, or when running more than 550 horsepower. By locating the pump inside the tank, the system benefits from constant fuel cooling and reduced vapor formation that can lead to hesitation. The robust internal strainer and integrated module ensure debris stays clear of the pump inlet, contributing to prolonged service life. For boosted LS and LT configurations, this level of delivery safeguards against momentary starve that can compromise engine response.

Complete Kit for Streamlined Installation

This package combines every essential element needed for a seamless swap, including the fuel pump assembly, sending unit, heavy-duty straps, filler neck, vent filter, gaskets, and mounting hardware. The sending unit is calibrated to work with the original gauge cluster, preserving accurate fuel level monitoring without additional adapters. Vent filters and precision-molded gaskets prevent leaks and vapor odors, while included straps and hardware secure the tank firmly in place. By sourcing all items in one shipment, installers avoid delays and mismatched parts that often arise during custom builds.

American Craftsmanship Ensures Durability for Powerful Builds

Manufactured in the USA, this tank and pump kit undergo rigorous quality checks to meet demanding driving conditions from spirited street runs to track days. Materials are selected for their resistance to ethanol blends and corrosion, providing a reliable foundation for years of use. Endurance testing simulates slalom courses, bumps, and extended high-load operation to confirm that seals and welds remain leak-free. This commitment to domestic production and proven durability delivers confidence that your fuel system will keep pace with any LS or LT engine upgrade.

Count on MuscleRods quality. To complete your Smaller capacity fuel pump Kit at 255 LPH see our 1965-1967 Pontiac GTO EFI Fuel Tank Kit - 255 LPH Pump.

Fitment

Fitment

  • 1965-1967 Pontiac GTO
Features
  • Precision-fit EFI tank conversion for 1965-67 GTO, 1966-67 Lemans, Tempest
  • 400 LPH Walbro pump delivers steady optimized fuel flow
  • Supports supercharged engines and builds over 550 horsepower
  • Premium materials engineered for high-performance driving durability
  • Optimized for A-Body chassis with LS and LT engines
  • Proudly Made in the USA
Benefits
  • Eliminates fitment hassles with vehicle-specific tank compatibility
  • Maintains consistent engine performance with optimized fuel delivery
  • Ensures reliable fueling for supercharged or high-horsepower applications
  • Withstands rigorous driving with durable, performance-grade components
  • Provides seamless integration on A-Body chassis with LS/LT engines
  • Guarantees quality and reliability from American manufacturing standards
What's Included
  • 400 LPH Walbro fuel pump (for supercharged or over 550 HP applications)
  • In-tank tuel pump module
  • Sending unit
  • Tank straps
  • Filler neck
  • Vent filter
  • Gaskets
  • Hardware
Specifications
  • SKU: 101-6685-06
  • Brand: Muscle Rods
  • Swap Engine: LS, LT
  • Body Type: A-Body