450 LPH Drop-In Retrofit EFI Fuel System Supports up to 875 EFI or 1100 Carb HP
Are you interested in an EFI retrofit kit, but just can't get past the complication of the fuel system? Available in return and returnless versions, you can rest assured Holley has the solution you need for your EFI fuel pump woes. Now you can convert your factory tank or fuel cell to an in-tank EFI fuel system quickly and easily! The conversion is easily accomplished with basic tools and requires no welding or fabrication. The aluminum 5 inch diameter module design includes a die cast 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. Once installed, hook up your fuel lines and your power source/ground and you're off and running! NO hassle! Supports up to 875 EFI or 1100 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...
  • The easiest way to convert your vehicle to an in-tank, EFI fuel system
  • Optional roll over valve available
  • Two different fuel pumps are available to match your requirements - 255LPH or 450LPH for both return and returnless style systems
  • Installs in any fuel tank from 7.5” 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
  • Ideal for Terminator EFI, Sniper EFI, MSD Atomic EFI or any TBI of EFI conversion

Information:

It is recommended to use a Holley 12-753 30 Amp Fuel Pump Relay along with a minimum size of 12 Gauge wire for your installation. *** Maximum 6AN line and fitting size due to space limitations between unit and fuel tank.
Attributes
Application Universal
Average Flow Rating 450
Brand Holley, Holley
California Proposition 65 WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Category Air and Fuel Delivery
Country of Origin (Primary) US
Diameter 5, 5
Emission Code 3, 5
Free Flow LPH 450, 450
Fuel Type E85, Gasoline
GTIN 00090127107379
Harmonized Tariff Code (Schedule B) 8413301000
Hazardous Material Code N
Height Adjustable, Adjustable
Inlet Fitting Thread Size 1/4
Inlet Quantity One, One
Life Cycle Status Code Available to Order
Material Die Cast Aluminum, Die Cast Aluminum
NAFTA Preference Criterion Code B
NPT Thread 1/4 NPT, 1/4 NPT
Outlet Fitting Thread Size 1/4
Outlet Quantity One, One
Product Type Fuel Pump Module, Fuel Pump Module
SDR Required Flag N
Sale Category Air and Fuel Delivery
Sub Category Fuel Pumps and Related Components
Warning California Proposition 65, California Proposition 65
Warranty Limited 90 Day, Manufacturer's Limited 90 Day Warranty
part type Fuel Pump Module Assembly

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NEW! Holley 12-171 In-Tank Retrofit Fuel Module

Product Information

  • Brand: Holley
  • Product Number: 12-171

Vehicle Fitment