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Showing 13 to 24 of 58 items
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Brand: Holley EFI

Dominator EFI Connector J4 Auxiliary Harness

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$224.95

$253.95

Dominator EFI Connector J4 Auxiliary Harness

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Brand: MSD

Easy install for your DIS-4 to Ford 4.6 Modular engine

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$195.95

$220.95

Using MSD's DIS-4 ignition systems on your coil-on-plug Ford has always been a great upgrade,...

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Brand: MSD

Features matching connectors and wiring.

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$137.95

$155.95

If your application leaves the Mag cables short of reaching the Electronic Points Box, this...

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Brand: Holley EFI

Firmware Updating - Dash Configuration - ECU Testing

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$231.95

$260.95

Also includes a power switch for quick setup in your workspace. Power and Ground flying...

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Brand: Holley EFI

For Dominator, HP, Terminator X and Terminator X Max

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$127.95

$143.95

This harness connects to the (8) pin Metri-Pack Input/Output connector located in most Holley EFI...

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Brand: Holley EFI

For Pro-Billet Distributor or Magnetic Crank Trigger to Sniper 2

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$39.24

$44.15

Provide RPM signal to the ECU for your Sniper 2 while not using timing control....

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Brand: Holley EFI

For use with Holley® HP and Dominator ECUs and other EFI systems

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$187.95

$211.95

Universal Coil On/Near Plug Harness – Use to connect Holley PN 558-312 or factory GM...

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Brand: Holley EFI

For use with Holley® HP and Dominator ECUs and other EFI systems

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$279.95

$314.95

HP Smart Coil ignition sub-harness. Includes a pair of coil harnesses for an 8 cylinder...

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Brand: Holley EFI

Ford Modular 2V and 4V Main Harness for use with Holley Smart Coils

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$899.95

$1,012.95

Main Harness for 1999-2004 2 & 4 Valve Ford Modular (4.6 & 5.4L) Engines for...

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Brand: Holley EFI

Ford MPFI Coil On Plug Main Harness

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$649.95

$731.95

This harness provides a plug and play upgrade solution for those seeking to convert to...

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Brand: Holley EFI

Ford TFI Ignition Harness for Avenger EFI, HP EFI & Dominator EFI

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$125.95

$141.95

Ford TFI Ignition Harness for Avenger EFI, HP EFI & Dominator EFI

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Brand: Holley EFI

Gen III HEMI Coil Harness, Early Coils, for HP EFI & Dominator EFI

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$187.95

$211.95

Chrysler has used two different coils on the HEMI engine series with 2006 being the...