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Holley

HOLLEY EFI 255LPH Fuel Pump Module 55-57 Chevy Car

MPN: 12-309 Catalog #: 001508915 Category: Fuel Pumps Check Vehicle Fitment

Product Details

Fuel Pump - Electric - In-Tank - 255 lph - Chevrolet 1955-1957 - Each

OEM Style EFI Fuel Tank Modules; For Use w/LS Swap; 255 LPH; In-Tank Fuel Pump Module; Incl. Pre-Calibrated Fuel-Level Sending Unit/Hydra Mat; Internal Fuel Pressure Regulator;

Converting the carbureted fuel system on your car or truck over to EFI has never been easier! Holley is excited to introduce our Holley OEM 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.

DETAILS:

Part Number 12-309 SPECS:

DETAILS:

  • Holley Performance Emission Code 5: 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
  • Fuel Pump Module Assembly
  • OEM Style EFI Fuel Tank Modules
  • Eliminates Purchasing An External Pressure Regulator
  • Fuel Level Sending Unit Designed For Factory Fuel Gauge
  • Fuel Pressure Is Regulated Internally At 58 PSI
  • HydraMat Keeps Fuel Available At Fuel Pickup
  • In-Tank High Pressure 255 lph Unit
  • Incl. HydraMat That Provides Protection From Contaminates
  • OEM TANK HANGAR 55-57 CHEVY PASS CAR
  • FuelPmpModAssy

Part Number 12-309 SPECS:

  • WARNING CA Proposition 65 Message: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
  • WARNING CA Proposition 65: Yes

Vehicle Fitment

Please verify year, make, model, and any notes before ordering.

Engine Compatibility

GM - LSMatched variant: LS

GM Gen III/IV V8; LS1/LS2/LS3/LS6/LS7/LS9/LSA/LSX

Fitment note: Engine compatibility is provided as a guide. Please verify all fitment details before ordering.

Product Specs

Brand
Holley
Part Number
12-309
Catalog Number
001508915
Product Line
Fuel Pumps
Category
Fuel Delivery
Type
Fuel Pumps
UPC / Barcode
090127057933
Length
13.40 in
Width
8.40 in
Height
8.30 in
Weight
2.24 lb
Ship Alone
No
Air Restricted
No

Shipping & Availability

Current status 1 Available - Ready to ship
Estimated timing Usually ships within 24hrs

This item is showing available inventory. Most in-stock performance parts ship quickly, but timing can vary by warehouse, vendor cut-off time, holidays, and carrier pickup.

Inventory shown: 1 available as of 6/3/2026.

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