Description
The FiTech 1978-1988 Chevy Malibu 440 LPH EFI Fuel Tank Kit (58120) is designed to simplify the process of upgrading classic GM vehicles to modern electronic fuel injection (EFI) systems. This kit provides a comprehensive solution, including a direct-fit steel fuel tank, a high-flow in-tank fuel pump, a sending unit for factory gauges, and all necessary mounting hardware. It is built to support high horsepower applications.
KEY FEATURES AND BENEFITS:
- Direct-fit replacement for original fuel tanks in 1978-1988 Chevrolet Monte Carlo, 1978-1983 Chevrolet Malibu, and 1978-1987 Pontiac Grand Prix models.
- Internal baffles ensure consistent fuel delivery, even during aggressive driving conditions.
- Includes a 440 LPH in-tank fuel pump, capable of supporting up to 1000 horsepower.
- -6 AN inlet/outlet fittings provide secure, leak-free fuel line connections.
- Includes a sending unit compatible with factory gauges, maintaining dashboard functionality.
- Complete kit includes mounting straps for easy installation.
- Steel construction with a silver powder-coated finish for durability and corrosion resistance.
SPECIFICATIONS:
- Part Number: 58120
- Fuel Tank Capacity: 17 gallons
- Fuel Pump Flow Rate: 440 LPH
- Fitting Size: -6 AN
- Fuel Tank Material: Steel
- Fuel Tank Color: Silver powdercoated
- Compatibility: 1978-1988 Chevrolet Monte Carlo, 1978-1983 Chevrolet Malibu, 1978-1987 Pontiac Grand Prix
- Sending Unit Functionality: Standard OEM gauge compatibility
HOW TO USE:
- Safely drain and remove the existing fuel tank from the vehicle.
- Disconnect the existing fuel lines and sending unit wiring.
- Install the new FiTech 58120 fuel tank using the provided mounting straps.
- Connect the -6 AN fuel lines to the inlet and outlet fittings on the tank.
- Connect the sending unit wiring to the factory harness.
- Install the filler neck as needed.
- Fill the tank with fuel and check for leaks.
- Test the fuel pump and sending unit functionality.
BENEFITS OF USING THE FITECH 1978-1988 CHEVY MALIBU 440 LPH EFI FUEL TANK KIT (58120):
- Simplifies EFI upgrades by providing a complete fuel system solution.
- Eliminates the need for external fuel pumps, reducing clutter and potential leak points.
- Provides a high-capacity fuel pump to support high-performance engines.
- Maintains factory gauge functionality with the included sending unit.
- Offers a direct-fit design for easy installation.
FEATURES:
- OEM Style Baffled EFI Tank: Ensures consistent fuel flow.
- Recessed Sending Unit and Pump Mount: For improved clearance.
- Internal Baffling: Designed to minimize fuel starvation.
- Direct Bolt-In Fuel Pump Module: For easy setup.
- Powder Coated Finish: For enhanced corrosion resistance.
- Includes All Required Mounting Hardware: For straightforward installation.





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