Holley EFI In-Tank Fuel Pump Module 255 LPH for 1974-81 GM F-Body
Holley EFI In-Tank Fuel Pump Module 255 LPH for 1974-81 GM F-Body
HOLLEY

Holley EFI In-Tank Fuel Pump Module 255 LPH for 1974-81 GM F-Body

Part # 12-304 SKU HLY12-304

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$549.95
In stock, ships from a US warehouse
SKU: HLY12-304
UPC: 090127029053
Width: 13.00 (in)
Height: 22.00 (in)
Depth: 11.00 (in)
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Highlights

Fuel type
Gasoline
Flow rate
255 LPH
In-tank/inline
In-Tank
Voltage
12 V
Amperage
15 A
Sending unit
Yes
Dimensions (l×w×h)
22 × 12.5 × 11 in (55.88 × 31.75 × 27.94 cm)
Color
Zinc
Drive type
Electrical
Material
Steel
Pressure
58 PSI
Diesel compatible
No
Fuel pickup included
Yes
Fuel pickup style
Filter Sock
Fuel level sender resistance
0-90 Ohm
Type
Fuel Pump
Interchange number
Fits GM F-Body 1974-1981 (Camaro / Firebird)
E85 compatible
No
Methanol compatible
No
Application
GM F-Body (1974-1981)

Description

Holley EFI In-Tank Fuel Pump Module 255 LPH for 1974-81 GM F-Body

The Holley EFI In-Tank Fuel Pump Module is designed specifically for integrating into the fuel systems of 1974-81 GM F-Body vehicles. This performance-driven component operates at a flow rate of 255 liters per hour (LPH), making it ideal for high-performance applications where consistent fuel delivery is critical. By positioning the fuel pump within the tank, this module reduces the risk of cavitation, helps maintain optimal fuel temperature, and provides quieter operation compared to external fuel pump setups.

Engineered to replace factory pump components, this module offers a direct fit while supporting fuel injection systems that require increased fuel flow. The Holley EFI design ensures compatibility with modern fuel types, making it suitable for both gasoline and ethanol-blended fuels. Additionally, the installation of the in-tank fuel pump module helps optimize the power output of tuned engines, ensuring that you maintain the necessary fuel pressure under demanding conditions.

FITMENT: This fuel pump module is compatible with 1974-81 GM F-Body vehicles, including popular models such as the Chevrolet Camaro and Pontiac Firebird. It is specifically designed to enhance the performance and efficiency of these classic vehicles, particularly in applications where modifications or upgrades have been made to the engine management systems.

Key Features & Benefits

  • Flow rate of 255 LPH supports high-performance applications.
  • In-tank installation minimizes noise and risk of vapor lock.
  • Compatible with various fuel types, including ethanol blends.
  • Direct fit for 1974-81 GM F-Body models simplifies installation.
  • Enhances fuel pressure stability under load, improving engine performance.

Specifications
Identification
BrandHOLLEY
Part number12-304
SKUHLY12-304
UPC090127029053
Dimensions and weight
Dimensions (W × H × D)13.00 × 22.00 × 11.00 in
Material and finish
FinishPlated
ColorZinc
MaterialSteel
Series and warranty
Details
IncludesFuel Pump Module, Sending Unit, Filter Sock, Installation Hardware
Fuel typeGasoline
Flow rate255 LPH
In-tank/inlineIn-Tank
Voltage12 V
Amperage15 A
Sending unitYes
Dimensions (l×w×h)22 × 12.5 × 11 in (55.88 × 31.75 × 27.94 cm)
Drive typeElectrical
Pressure58 PSI
Diesel compatibleNo
Fuel pickup includedYes
Fuel pickup styleFilter Sock
Fuel level sender resistance0-90 Ohm
TypeFuel Pump
Interchange numberFits GM F-Body 1974-1981 (Camaro / Firebird)
E85 compatibleNo
Methanol compatibleNo
ApplicationGM F-Body (1974-1981)

Shipping and returns

Shipping. Free on every order, US only. Orders arrive in 2–4 days.

Returns. 30-day returns, except in extreme cases.

Support. Our team is available 24/7 for fitment mismatches or any other reason.

Warranty. Full manufacturer guarantee.

Holley EFI In-Tank Fuel Pump Module 255 LPH for 1974-81 GM F-Body
Holley EFI In-Tank Fuel Pump Module 255 LPH for 1974-81 GM F-Body
$549.95
In stock · free shipping

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