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Showing 13 to 24 of 55 items
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Brand: Holley EFI

For 1979 to 1993 Ford Mustangs when converting to Holley EFI ECU

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$949.95

$1,068.95

This harness is for fuel injected small block ford engines such as 5.0L or 5.8L...

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Brand: Holley EFI

Ford 2V & 4V Modular Main Harness, For HP EFI & Dominator EFI

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$799.95

$899.95

Main harness for 99-04 2 & 4 Valve Ford Modular (4.6 & 5.4L) Engines.

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Brand: Holley EFI

Ford 7.3L Godzilla Main Harness for Stock Coils

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$511.95

$575.95

The Terminator X offers an advanced engine management solution specifically tailored for the formidable 7.3-liter...

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Brand: Holley EFI

Ford V8 Injector Harness for HP EFI & Dominator EFI

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$249.95

$281.95

Ford V8 Injector Harness for HP EFI & Dominator EFI

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Brand: Holley EFI

Gen III Hemi Main Harness Early w/ TPS and Idle Air Control Connections

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$849.95

$956.95

This wiring harness interfaces a Holley EFI ECU to a Gen III HEMI engine with...

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Brand: Holley EFI

Gen III HEMI Main Harness Late w/ TPS and Idle Air Control Connections

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$799.95

$899.95

Gen III HEMI Harness with TPS and Idle Air Control Connections. This wiring harness interfaces...

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Brand: Holley EFI

Gen III HEMI V8 Injector Harness - Bosch/Jetronic and Holley injectors

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$187.95

$211.95

An Injector Harness is required and Holley offers two. The harness with USCAR/Stock injector connectors...

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Brand: Holley EFI

Gen III HEMI V8 Injector Harness - Stock/USCAR style injectors

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$199.95

$224.95

An Injector Harness is required and Holley offers two. The harness with USCAR/Stock injector connectors...

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Brand: Holley EFI

GM LS1/6, 24X Crank Sensor, Bosch Injector

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$999.95

$1,124.95

An EFI system depends heavily on being supplied a clean and constant voltage source. The...

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Brand: Holley EFI

GM LS2/LS3/LS7, 58X Crank Sensor, Bosch Injector

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$949.95

$1,068.95

An EFI system depends heavily on being supplied a clean and constant voltage source. The...

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Brand: Holley EFI

GM LS2/LS3/LS7, 58X Crank Sensor, USCAR/ EV6 Injector

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$899.95

$1,012.95

An EFI system depends heavily on being supplied a clean and constant voltage source. The...

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Brand: Holley EFI

GM TPI and Stealth Ram EFI Harness Kit

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$849.95

$956.95

An EFI system depends heavily on being supplied a clean and constant voltage source. The...