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12-306 - Holley 255 LPH OE Style EFI Fuel Tank Modules - default Image
12-306 - Holley 255 LPH OE Style EFI Fuel Tank Modules - additional Image
12-306 - Holley 255 LPH OE Style EFI Fuel Tank Modules - additional Image
12-306 - Holley 255 LPH OE Style EFI Fuel Tank Modules - additional Image
12-306 - Holley 255 LPH OE Style EFI Fuel Tank Modules - additional Image
12-306 - Holley 255 LPH OE Style EFI Fuel Tank Modules - additional Image
12-306 - Holley 255 LPH OE Style EFI Fuel Tank Modules - additional Image
12-306 - Holley 255 LPH OE Style EFI Fuel Tank Modules - additional Image
12-306 - Holley 255 LPH OE Style EFI Fuel Tank Modules - additional Image
Holley 255 LPH OEM Style EFI Fuel Tank ModulesYouTube Button
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Holley 255 LPH OE Style EFI Fuel Tank Modules

1978-87 GM G-Body- Malibu; Monte Carlo; Regal, Grand Prix; Cutlass;

PART# 12-306

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Overview

Converting the carbureted fuel system on your GM G-Body over to EFI has never been easier! Holley is excited to introduce our Holley OE style fuel tank modules that are designed as a direct replacement for your factory pick-up and sending unit. There is no need for modifications and you will not have to replace your fuel tank. You can even retain the factory fuel hard line, just connect the outlet of the pump module to the hard line on your vehicle with some EFI rated fuel hose and hose clamps such as the Earls Vapor Guard.

Features:

  • The in-tank fuel pump is a high-pressure 255-lph unit, capable of supporting EFI engines producing up to 550 horsepower
  • The module includes a pre-calibrated fuel-level sending unit that was designed to work with the factory fuel gauge already in your vehicle
  • Includes a Holley HydraMat with its unique internal reservoir, which keeps fuel available at the pickup while also providing protection from contaminates
  • Fuel pressure is regulated internally and preset at 58psi, eliminating the added expense of purchasing an external fuel pressure regulator
  • No return line needed. All return fuel is handled inside the tank

Specs

Application1978-87 GM G Body
BrandHolley
Emission Code5
Free Flow LPH255
Fuel Sending Unit Ohms0-90 Ohms
Fuel TypeGasoline
Inlet Diameter (in)5/16"
Product TypeFuel Pump Module
Vent Size1/4"
WarrantyLimited 90 Day
Part Number12-306

Service Parts


Emissions

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Tech Resources

Warranty Information

Limited 90 Day: See Details

Applications

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        Some parts are not legal for use in California or other states with similar regulations.