SKU: 51433221343

Holley In-Tank RetroFit Fuel Module 525 LPH Return Style - 12-134

Sale price$479.68 Regular price$532.98
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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1

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Description

Holley In-Tank RetroFit Fuel Module 525 LPH Return Style - 12-134Overview: The Holley In tank RetroFit Fuel Modules are now available with a 525 LPH Pump. Convert your factory tank or fuel cell to an in tank EFI fuel system quickly and easily! And add the benefits of a Holley Hydramat in the process! The conversion is easily accomplished with basic tools and requires no welding or fabrication. The billet aluminum module design includes a billet pump hanger bracket to control pump vibration while also providing a

Overview:

The Holley In-tank RetroFit Fuel Modules are now available with a 525 LPH Pump. Convert your factory tank or fuel cell to an in-tank EFI fuel system quickly and easily! And- add the benefits of a Holley Hydramat in the process! The conversion is easily accomplished with basic tools and requires no welding or fabrication. The billet aluminum module design includes a billet pump hanger bracket to control pump vibration while also providing a low profile design to fit where space is at a premium. Holley's innovative clamping system and integrated fuel pump makes it easy. Supports up to 1200 EFI or 1450 Carb HP (@ 60 PSI at 13.5 Volts / 16.9 AMP Draw) Of course there are many variables, estimates are based on gasoline. Individual systems will vary based on fuel system design, regulator type, fuel cell location, etc...

Features:

  • Retrofit Fuel Module 525 LPH- Return Style
  • Installs in any fuel tank from 7.5” to 12” deep to fit a wide variety of applications
  • The low profile design is only 1.275" thick above the tank mounting surface for added clearance when needed
  • The innovative clamping system allows you to locate the module anywhere in the tank beside your existing sending unit
  • The clamping system allows you to rotate the unit 360 degrees for easier clocking of the plumbing and wiring locations under your ride
  • Includes innovative Holley Hydramat to ensure consistent fuel supply. The 3” x 15” HydraMat mounting flange has 6 clocking pin locations to allow for 360 degree adjustment to clear sending unit levels or any tank floor restrictions that you might encoun
  • Black anodized aluminum construction for corrosion resistance and long lasting good looks
  • ¼” NPT ports for a wide variety of plumbing options
  • Optional roll over valve available

Application:

Year Make Model Submodel Engine Size
Universal

Specs:

Application Universal
Brand Holley
Diameter 4.8"
Emission Code 3
Free Flow LPH 525
Fuel Type E85
Fuel Type Gasoline
Material Billet Aluminum
NPT Thread 1/4 NPT
Product Type Fuel Pump Module
Warranty Limited 90 Day
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: 51433221343

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4.6 ★★★★★
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M
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marian page smith
Louisville, US
★★★★★ 5
Work perfect
Work real good
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 11, 2026
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Kim Kietzman
Phoenix, US
★★★★★ 5
Didnt need
Great product
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Reviewed in the United States on June 5, 2026
J
Verified Purchase
Jim H.
Dallas, US
★★★★★ 4
Works much better than the original applicator which left streaks and overlaps
Works much better than the original applicator which left streaks and overlaps. Much easier to use on contours and crevices.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 14, 2014
R
Verified Purchase
Rev J.
Port Orchard, US
★★★★★ 5
Works well
Good applicator for poli glow
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Reviewed in the United States on December 7, 2025
R
Verified Purchase
R & W
Cuba, US
★★★★★ 5
Game Changer!
So much better than the applicators. Easier to get nice even application on RVs. Does much better getting around the awning poles and different covers.
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Reviewed in the United States on March 12, 2021

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