SKU: 948751945

Holley EFI Fuel Tank Modules - 255 LPH - Tri-Five Chevrolet Vehicles

Sale price$215.52 Regular price$239.47
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Description

Holley EFI Fuel Tank Modules - 255 LPH - Tri-Five Chevrolet VehiclesHolley EFI Fuel Tank Modules 255 LPH Tri Five Chevrolet Vehicles In tank fuel pump module for 1955 1957 Chevrolet Coupe & Sedan. Supports Up To 550 Horsepower. Overview This in tank fuel pump module is a high pressure unit that flows 255 liters per hour (LPH) and is capable of supporting electronic fuel injection (EFI) engines producing up to 550 horsepower. Featuring a pre calibrated fuel level sending unit designed to work with the factory fuel

Holley EFI Fuel Tank Modules - 255 LPH - Tri-Five Chevrolet Vehicles

In-tank fuel pump module for 1955-1957 Chevrolet Coupe & Sedan. Supports Up To 550 Horsepower.

Overview

This in-tank fuel pump module is a high-pressure unit that flows 255 liters per hour (LPH) and is capable of supporting electronic fuel injection (EFI) engines producing up to 550 horsepower. Featuring a pre-calibrated fuel-level sending unit designed to work with the factory fuel gauge for this application is included. This module also features a HydraMat filter which has a unique internal reservoir that keeps fuel available at the pick-up and also provides protection from contaminates

The fuel pressure is internally regulated to 58 psi eliminating the added expense and effort of purchasing and installing an external fuel pressure regulator - no separate return line is required because this module returns excess fuel right inside the tank! This 1955-1957 Chevrolet Coupe & Sedan Muscle Car EFI Fuel Pump module was designed as a direct replacement for your factory pick-up and sending unit. There is no need to purchase a custom EFI 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 EFI-rated fuel hose and hose clamps available in the Earls Vapor Guard line. This Muscle Car EFI Module includes a 255 LPH fuel pump and a Holley HydraMat. HydraMat is an amazing patent-pending fuel reservoir system that reduces fuel starvation issues that might otherwise occur while cornering, accelerating, stopping, traversing inclines, and during low fuel conditions.

Features:

  • Supports up to 550 horsepower (HP)
  • Flows 255 liters per hour (LPH)
  • Internally regulated to 58 PSI
  • Included HydraMat patent-pending fuel reservoir system that reduces fuel starvation issues

Application    1955-1957 Chevrolet Coupe/Sedan
Average Flow Rating    255 LPH
Connector Gender    Male
Free Flow LPH    255
Fuel Filter Included    Yes
Fuel Sending Unit Included    Yes
Fuel Sending Unit Ohms    0-30 Ohms
Fuel Tank Pressure Sensor Included    No
Fuel Type    Gasoline
Gasket Or Seal Included    Yes
Grade Type    Performance
In Tank or External    In Tank
Inlet Diameter (in)    5/16 IN      5/16"
Inlet Quantity    One
Lock Ring Included    Yes
Material    Steel and Plastic
Maximum Pressure    58 PS
Negative Ground    Yes
Outlet Outside Diameter    3/8 IN
Outlet Quantity    One
Pump Type    Electric
Regulator Included    Yes
Resistance Ohms Empty    0 82
Resistance Ohms Full    90 82
Strainer Included    Yes
Vent Size    N/A
Warranty    Manufacturer's Limited 90 Day Warranty
Wire Harness Included    Yes

Links
Instruction Sheet

Note:  The pump is not compatible for use with PWM (Pulse-width Modulation) Not compatible with wagon or delivery models.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 948751945

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OLIVER HARRIS
Boise, US
★★★★★ 5
Great look for a Great price
Color: G2856-gold-blue
Classic look for a great price. Came with a tool to remove links if needed to adjust size
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Reviewed in the United States on May 31, 2026
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liliana
Massapequa, US
★★★★★ 4
It’s alright
Color: Black Band and Black Face, Color: Black Band and Black Face
it’s a bigger watch definitely need to take some links out and the adjustment tools are not the best at all they break very easily. but other than that the watch is very pretty. it does have some weight to it but not completely heavy
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Reviewed in the United States on January 23, 2026
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JR.
Birmingham, US
★★★★★ 5
Perfect everyday Watch
Color: Grey, Color: Grey
Super happy with this watch. It looks really clean and goes with pretty much anything dress it up or wear it casual. The blue face is fire in person and catches the light really nicely. Feels solid on the wrist, not too heavy, and the quality is definitely there. I’ve been wearing it almost every day and it still looks brand new. For the price, you really can’t beat it. Great everyday watch that looks way more expensive than it is. Would 100% buy again
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Reviewed in the United States on April 14, 2026
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ceeloo
Lexington, US
★★★★★ 5
Stylish and inexpensive
Color: Grey
Great watch. Came in quickly from seller. Got it sized at a local shop. It’s a pretty stylish watch for the price point. I don’t have big wrists but I still think the face could be a little bigger. But it’s pretty sleek and I’m happy
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Reviewed in the United States on August 24, 2023
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Hernan (Tony) Peñaherrera
Grantham, US
★★★★★ 5
Style and elegance
Color: Grey
Excellent
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Reviewed in the United States on May 28, 2026

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