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Holley EFI Systems & Harnesses

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  • Holley- HP EFI ECU & Harness kit for a Ford V8 w/NTK o2 Sensor Holley- HP EFI ECU & Harness kit for a Ford V8 w/NTK o2 Sensor

    Holley

    Holley- HP EFI ECU & Harness kit for a Ford V8 w/NTK o2 Sensor

    Holley HP EFI ECU and harness kits allow you to manage automotive functions—like the fuel and ignition of your engine, along with controlling nitrous, boost, or water/methanol. Select the model with options needed for your vehicle application...

    $2,749.95
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  • Holley- HP EFI ECU & Harness kit for a Ford V8 Holley- HP EFI ECU & Harness kit for a Ford V8

    Holley

    Holley- HP EFI ECU & Harness kit for a Ford V8

    Looking for a alternative for your stock or built late model factory FORD EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits are designed to be used with popular factory EFI engines as...

    $2,499.95
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  • Holley- HP EFI ECU & Harness - Universal Multi Point System Holley- HP EFI ECU & Harness - Universal Multi Point System

    Holley

    Holley- HP EFI ECU & Harness - Universal Multi Point System

    Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits are designed to be used with popular factory EFI...

    $2,499.95
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  • Holley- HP EFI ECU & Harness w/ Terminated Harness

    Holley

    Holley- HP EFI ECU & Harness w/ Terminated Harness

    Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits are designed to be used with popular factory EFI...

    $2,499.95
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  • Holley - TERMINATOR X FORD MOD MOTOR 4V KIT (EV1 Injectors)

    Holley

    Holley - TERMINATOR X FORD MOD MOTOR 4V KIT (EV1 Injectors)

    Introducing Terminator X and X Max Kits for the Modular Ford engine. These new kits will plug and play with either 2V or 4V Mod Motors commonly found in 1996-2004 Mustangs, 1995-2006 F150, or 2002-2005 Explorers. These kits will work with both 4.6 and 5...

    $1,883.95
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  • Holley - TERMINATOR X FORD MOD MOTOR 4V KIT (EV6 Injectors)

    Holley

    Holley - TERMINATOR X FORD MOD MOTOR 4V KIT (EV6 Injectors)

    Introducing Terminator X and X Max Kits for the Modular Ford engine. These new kits will plug and play with either 2V or 4V Mod Motors commonly found in 1996-2004 Mustangs, 1995-2006 F150, or 2002-2005 Explorers. These kits will work with both 4.6 and 5...

    $1,883.95
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  • Holley- LS Coli Harness

    Holley

    Holley- LS Coli Harness

    Includes a pair of coil harnesses for an 8 cylinder engine Similar to factory GM LSx coil harnesses For use with Holley HP or Dominator ECU

    $241.95
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  • Holley- EFI TFI Ignition Harness

    Holley

    Holley- EFI TFI Ignition Harness

    Need to adapter your holley EFI system to a TFI Ignition? This is the harness you need! Works great with 1987-1995 Mustangs!

    $115.95
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  • Holley- EFI Dominator ECU

    Holley

    Holley- EFI Dominator ECU

    Works with 4, 6, 8 and 10 cylinder engines Ignition Plug and Play with GM LS engines (non-VVT), GM HEI, Ford TFI, and magnetic and hall effect trigger. Custom settings can be configured to allow for use with many other applications Integrated...

    $2,299.95
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  • Holley- EFI Modular Main Harness

    Holley

    Holley- EFI Modular Main Harness

    Main harness for Holley EFI  standalone.   Setup to use sensors on a modular engine.   Works with both Holley HP and Dominator.

    $750.95
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  • Holley- Eight Channel Coil Driver Module (Modular / Coyote)

    Holley

    Holley- Eight Channel Coil Driver Module (Modular / Coyote)

    The eight channel coil driver module is a "dumb coil" driver module that plugs into the main harness, which is needed when running the factory coils. Contains two 4-channel drivers, requires on an eight cylinder engine. Eight channel Drives two...

    $287.95
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