My Garage Add a vehicle

Pick your vehicle in the Shop By Vehicle bar below and every page shows the parts that fit it.

Cart
Reset

Holley Diecast In-Tank Carbureted RetroFit Fuel Pump Module-Returnless System

Part # 12-129SKU HOL12-129

Universal fit

Specifications
BrandHolley
Part typeFuel Pump Module Assembly
ApplicationUniversal
Average Current Draw10.4 A
Average Flow Rating255 L/h
BrandHolley
CategoryAir and Fuel Delivery
Connector ColorBlack
Connector GenderMale
Connector Quantity1
Diameter4.8"
Emission Code5
Free Flow GPH67
Free Flow LPH255
Fuel Filter IncludedYes
Fuel Sending Unit IncludedNo
Fuel System TypeGasoline
Fuel Tank Pressure Sensor IncludedNo
Fuel TypeGasoline
Gasket Or Seal IncludedYes
Gasket Or Seal MaterialFoam
Grade TypePerformance
HeightAdjustable
Housing MaterialAluminum
In Tank or ExternalIn Tank
Inlet Fitting Thread Size1/4 in
Inlet QuantityOne
Inlet TypeNPT
Internal Or External StrainerExternal
Lock Ring IncludedYes
MaterialDie Cast Aluminum
Maximum Pressure6 PSI
UPC / GTIN00090127061282
WarrantyManufacturer's Limited 90 Day Warranty
  • The easiest way to convert your vehicle to an in-tank fuel system
  • Installs in any fuel tank from 6.5” to 12” deep to fit a wide variety of applications
  • The low profile 5 inch diameter design is only 1.275 inches 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
  • Die cast aluminum construction for corrosion resistance and long lasting good looks
  • ¼” NPT ports for a wide variety of plumbing options

Description

The Holley "red and blue" electric fuel pumps have been the performance standard for decades. They continue to perform well, however, the evolution of fuel pump technology has surpassed them in quiet operation and fuel delivery capabilities that an in-tank module can deliver.