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12-304 - Holley 255 LPH OE Style EFI Fuel Tank Modules - default Image
12-304 - Holley 255 LPH OE Style EFI Fuel Tank Modules - additional Image
12-304 - Holley 255 LPH OE Style EFI Fuel Tank Modules - additional Image
12-304 - Holley 255 LPH OE Style EFI Fuel Tank Modules - additional Image
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Holley 255 LPH OE Style EFI Fuel Tank Modules

1974-81 Camaro/Firebird

PART# 12-304

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*** If installing on a Pontiac Firebird or Trans-Am that originally came with a Pontiac based engine, the existing fuel line to the engine will have to be replaced. The Pontiac engine has the stock fuel pump located on the driver's side of the engine block. Thus, the factory fuel line is routed through the driver's side of the chassis to the engine compartment. This fuel pump module was designed to route the fuel line on the passenger side of the chassis to work with the small block Chevrolet stock fuel pump location of the Camaro platform. Fuel line routing through the passenger side of the chassis. During the mid 80's and early 90's Pontiac offered both brands of engines in the Firebird platform.

Overview

Converting the carbureted fuel system on your car or truck 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

Application1974-81 Camaro/Firebird
BrandHolley
Emission Code5
Free Flow LPH255
Fuel Sending Unit Ohms0-90 Ohms
Fuel TypeGasoline
Inlet Diameter (in)5/16"
Product TypeFuel Pump Module
Vent SizeN/A
WarrantyLimited 90 Day
Part Number12-304

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

*** If installing on a Pontiac Firebird or Trans-Am that originally came with a Pontiac based engine, the existing fuel line to the engine will have to be replaced. The Pontiac engine has the stock fuel pump located on the driver's side of the engine block. Thus, the factory fuel line is routed through the driver's side of the chassis to the engine compartment. This fuel pump module was designed to route the fuel line on the passenger side of the chassis to work with the small block Chevrolet stock fuel pump location of the Camaro platform. Fuel line routing through the passenger side of the chassis. During the mid 80's and early 90's Pontiac offered both brands of engines in the Firebird platform.

Warranty Information

Limited 90 Day: See Details

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