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1978-1988 Monte Carlo, Malibu, Grand Prix EFI Fuel Tank Kit - 255 LPH Pump


1978-1988 Monte Carlo, Malibu, Grand Prix  EFI Fuel Tank Kit - 255 LPH Pump
Purchase 1978-1988 Monte Carlo, Malibu, Grand Prix EFI Fuel Tank Kit - 255 LPH Pump
  • 1978-1988 Monte Carlo, Malibu, Grand Prix EFI Fuel Tank Kit - 255 LPH Pump

  • $586.00

1978-1988 G-Body LS EFI Fuel Delivery Upgrade

Optimized for LS EFI conversions in 1978 through 1988 Monte Carlo, Malibu and Grand Prix G-Body models, this 255 LPH fuel tank kit ensures smooth throttle response and reliable fueling up to 550 hp with its in tank pump and integrated sending unit. Direct installation requires no modifications and provides accurate fuel level readings, while its USA manufacture guarantees lasting durability.

LS EFI Fuel Tank Kit for 1978-1988 G-Body Monte Carlo Malibu Grand Prix

When converting your 1978-1988 G-Body to LS power, fuel supply becomes a critical concern and this EFI Fuel Tank Kit makes that transition straightforward. Featuring an in-tank module with a 255 LPH pump, the setup sustains consistent pressure for engines up to 550 horsepower without stretching factory lines. Installation bolts directly into the stock tank location without trimming or fabrication, preserving the original chassis geometry and simplifying fitment. With accurate level sensing and an optimized flow path, you get reliable fueling under varied driving conditions for any classic Monte Carlo, Malibu or Grand Prix swap.

Precision Fitment for G-Body Installation

The EFI fuel tank kit bolts directly into the original tank location on all 1978-1988 G-Body models, eliminating trimming or fabrication. This precise fitment preserves the factory chassis geometry and aligns perfectly with existing fuel lines and mounting points. Installers benefit from a streamlined process that requires only the supplied straps, filler neck, gaskets, and hardware. The result is a clean, factory-style appearance with no compromise to structural integrity or clearance.

Consistent Fuel Delivery with 255 LPH Walbro Module

At its heart, the kit features a 255 LPH Walbro pump capable of supporting engines up to 550 horsepower while maintaining stable fuel pressure under hard acceleration. The in-tank design reduces fuel aeration and heat soak, ensuring a steady flow even in spirited driving or track conditions. By optimizing the flow path within the tank, this module delivers fuel on demand and improves throttle response across the rpm range. Drivers experience smoother acceleration and reduced risk of fuel starvation during cornering or incline runs.

Integrated Sending Unit for Reliable Level Monitoring

An integrated sending unit provides precise fuel level readings that outclass aging stock sensors. The calibrated float arm and sealed electrical connections resist vibration and corrosion, delivering accurate range information at all fill levels. This enhancement removes guesswork on extended drives and supports confident fuel management without aftermarket gauges. Owners gain consistent feedback on tank capacity, preventing unexpected fuel runs when pushing the limits of their LS-powered swap.

American Made Construction for Lasting Durability

Proudly manufactured in the USA, each component undergoes rigorous quality control to ensure long lasting service life. The tank straps and vent filter are fabricated from corrosion-resistant materials, while the filler neck and module housing use robust alloys designed for fuel compatibility. All gaskets and hardware are selected to maintain seal integrity under thermal cycling and vibration. This attention to detail delivers a fuel system that stands up to daily driving, weekend cruises, and competitive events without compromise.

This EFI Fuel Tank Kit provides reliable pressure under all driving conditions. To complete your setup with a larger capacity fuel pump kit at 400 LPH consider our 1978-1988 Monte Carlo 400 LPH pump Tank Kit.

Fitment

  • 1978-1988 Chevy Monte Carlo
  • 1978-1988 Chevy Malibu
  • 1978-1988 Pontiac Grand Prix

Specifications

  • SKU: 207-6680-04
  • Swap Engine: LS
  • Body Type: G-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

  • High-performance 255 LPH Walbro in-tank fuel pump module
  • Supports engines up to 550 horsepower
  • Integrated sending unit ensures precise fuel level readings
  • Seamless bolt-in installation requiring no modifications
  • Compatible with 1978-88 Monte Carlo, 1978-83 Malibu, 1978-87 Grand Prix
  • Proudly manufactured in the USA

Benefits

  • Maximizes fuel flow for smoother throttle response
  • Ensures reliable fueling for engines up to 550 hp
  • Accurate fuel level readings for reliable range monitoring
  • Direct bolt-in installation saves time and eliminates modifications
  • Tailored for G-Body models to ensure perfect fitment
  • American-made quality for dependable durability

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