HP Harnesses

These wiring harnesses work with other Holley components to properly configure your EFI system.

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2x4 BBL Holley TBI Injector Harness

2x4 BBL Holley TBI Injector Harness for HP EFI & Dominator EFI

$158.95

C-N-P Ignition Sub Harness

“Big Wire” C-N-P Ignition Sub Harness

$169.95

CAN ADAPTER - Female 2 Pin to Male 4 Pin

NEW DEVICE TO TWO PIN MAIN HARNESS

$21.16

CAN ADAPTER/POWER HARNESS

NEW DEVICE TO TWO PIN MAIN HARNESS

$22.75

Connector J1A/B Input/Outputs Auxiliary Harness

Connector J1A/B Inputs/Outputs Auxiliary Harness for HP EFI & Dominator EFI

$77.13

Crank/Cam Ign. Harness. Fully terminated harness.

Crank/Cam Ign. Harness. Fully terminated harness.

$66.59

Crank/Cam Ign. Harness. Fully terminated harness.

Crank/Cam Ign. Harness for Ferrous Crank/Magnetic Cam Hall Effect Sensors. Fully terminated harness.

$63.71

Delphi M/P 150 to GT (Stainless Steel) MAP Adapter Harness

$24.95

Ford 2V & 4V Modular Main Harness

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

$495.95

Ford 2V Modular Coil Harness

99-04 2 Valve Ford Modular Coil Harness, For HP EFI & Dominator EFI

$145.95

Ford 4V Modular Coil Harness

99-04 4 Valve Ford Modular Coil Harness, For HP EFI & Dominator EFI

$145.95

Ford Coyote Coil Harness

2011 to 2015 Ford Coyote Coil Harness, For HP EFI & Dominator EFI

$137.95

Ford Coyote Ti-VCT Coil Harness (2015.5-2017)

Ford Coyote Ti-VCT Coil Harness (2015.5-2017)

$151.95

Ford Modular 2 Valve EFI Harness Kit

1999-2004 Ford Modular 2 Valve Harness Kit

$922.95

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

Main Harness for 1999-2004 2 & 4 Valve Ford Modular (4.6 & 5.4L) Engines for use with Holley Smart Coils

$541.95

Ford MPFI Coil On Plug Main Harness:

Ford MPFI Coil On Plug Main Harness:

$411.95

Ford TFI Ignition Harness

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

$79.48

Ford V8 Injector Harness

Ford V8 Injector Harness for HP EFI & Dominator EFI

$147.95

Ford V8 Injector Harness

Evenly spaced Ford V8 Injector Harness for USCAR / EV6 style Injectors

$115.95

Ford V8 Injector Harness

Evenly spaced Ford V8 Injector Harness for Jetronic "Bosch EV1" style Injectors

$115.95

Gen III HEMI Coil Harness - Early Coils

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

$116.95

Gen III HEMI Coil Harness - Late Coils

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

$118.95

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

Gen III HEMI Main Harness w/Throttle Position Sensor & Idle Air Control, For Late Crank & Cam Sensors, for HP EFI & Dominator EFI, For use with Cable Throttle Body.

$506.95

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

Gen III HEMI Main Harness w Throttle Position Sensor & Idle Air Control, For use with Cable Throttle Body.

$506.95

Gen III HEMI V8 Injector Harness - Bosch/Jetronic and Holley injectors used for upgrades and racing

Gen III HEMI Injector Harness with Bosch/Jetronic and Holley injectors used for upgrades and racing for HP EFI & Dominator EFI

$116.95

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

Gen III HEMI Injector Harness with Stock/USCAR style Injectors for HP EFI & Dominator EFI

$116.95

GM 58X EFI HARNESS KIT

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

$572.95

GM LS 24X EFI HARNESS KIT

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

$595.95

GM LS 58X EFI HARNESS KIT

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

$595.95

GM TPI and Stealth Ram EFI HARNESS KIT

GM TPI and Holley Stealth Ram™

$525.95

HEI GM Small Cap Ignition Harness

HEI Ignition Harness for Avenger EFI, HP EFI & Dominator EFI

$33.84

Holley DIS Coil to Holley LSx Harness Adapter

Holley Waste Fire DIS Coil to LSx Engine Harness

$82.18

Holley EFI ECU Pin Crimper

Ratcheting crimper tool for ECU Pins.

$335.95

Holley EFI EV6 Unterminated Injector Harness Kit

EV6 Unterminated Injector Harness Kit

$89.95

Holley EFI Ford Coyote Engine Main Harness w/ Ti-VCT and stock coils (2011-2017)

Coyote Engine Main Harness compatible with 2011-2017 Ti-VCT Coyote Engines

$517.95

Holley EFI Ford Coyote Ti-VCT Main Harness for Holley EFI HP smart coils (2011-2017)

Coyote Ti-VCT Main Harness for 2011-2017 Coyote Engines using Holley EFI HP smart coils

$569.95

Holley EFI Ford Coyote Ti-VCT Sub Harness (2011-2012)

Coyote Ti-VCT Sub Harness for 2011-2012 Engines with Stock Camshafts

$237.95

Holley EFI Ford Coyote Ti-VCT Sub Harness (2013-2017)

Coyote Ti-VCT Sub Harness for 2013-2017 Coyote Engines with Stock Camshafts

$237.95

Holley EFI Ignition Adapter Harness for FAST Dual Sync Distributors

EFI Ignition Adapter Harness for FAST™ Dual Sync Distributors

$23.32

Holley EFI LS Main Harness to LS3-style MAP Sensor Adapter

Adapter Harness

$28.04

Holley EFI Main Power Harness for Coyote Ti-VCT Applications

Main Power Harness for use with Ti-VCT Coyote Applications

$82.75

HyperSpark Ignition Adapter

Adapters HyperSpark Distributors to Holley EFI Main Harnesses, for use with Terminator X EFI.

$24.95

INJECTOR HARNESS - EARLY TRUCK

LS MULTEC 2 INJECTOR HARNESS - EARLY TRUCK

$171.95

LS COIL HARNESSES

Factory replacement coil harness for stock LS coils, does not fit LS1 or LS6 Coils.

$134.95

LS1/6 (24x/1x) Engine Main Harness

LS1/6 Main Harness for HP EFI & Dominator EFI

$435.95

LS2/3/7+ (58x/4x) Engine Main Harness

LS2/3/7+ (58x/4x) Engine Main Harness for HP EFI & Dominator EFI

$435.95

LSx Injector Harness - For EV6 Style Injectors

LSx Injector Harness for HP EFI, Dominator EFI and Terminator X.

$111.95

Magnetic Pick-up Ignition Harness

Magnetic Pick-up Ignition Harness for HP EFI & Dominator EFI

$63.09

Main Power Harness

Main Power Harness for Avenger EFI, HP EFI, & Dominator EFI

$67.23

Sealed USB Data Cable

Holley EFI Sealed USB Cable 7'

$53.74

Sealed USB Data Cable

Holley EFI Sealed USB Cable 15'

$77.86

Tach Input Ignition Adapter

Tach Input Ignition Adapter

$14.42

TPI/Stealth Ram Main Harness

TPI/Stealth Ram™ Main Harness for Avenger EFI, HP EFI & Dominator EFI

$378.95

Universal 4 Cylinder Injector Harness

Universal 4 Cylinder Injector Harness for HP EFI & Dominator EFI

$80.62

Universal 4 EV14 Cylinder Injector Harness

Universal 4 Cylinder EV14 Injector Harness for HP EFI & Dominator EFI

$77.46

Universal 6 Cylinder Injector Harness

Universal 6 Cylinder Injector Harness for HP EFI & Dominator EFI

$135.95

Universal Ford V-8 Harness Kit

Universal Ford V8, Bosch Injector

$514.95

Universal MPFI Coil on Plug Main Harness

UNIVERSAL MPFI W/ COP MAIN HARNESS

$389.95

Universal MPFI Main Harness

Universal MPFI Main Harness for HP EFI & Dominator EFI

$364.95

Universal Unterminated Ignition Harness

Universal Unterminated Ignition Harness for HP EFI & Dominator EFI

$123.95

Universal Unterminated Injector Harness

Universal Unterminated Injector Harness for HP EFI & Dominator EFI(Bosch EV1 style).

$138.95

Universal V8 MPFI EFI HARNESS KIT

Universal V8 MPFI

$525.95

Unterminated 15' Flying Lead Main Harness

Pre-Terminated J1A / J1B 15' Flying Lead Main Harness

$289.95

Unterminated 16 injectors MPFI harness

Unterminated 16 injectors MPFI harness Terminated at injector connectors (Bosch EV1 style).

$196.95

Unterminated 24 injector MPFI harness

Unterminated 24 injector MPFI harness Terminated at injector connectors (Bosch EV1 style).

$269.95

Unterminated Universal Main Harness

Unterminated Universal Main Harness for HP EFI & Dominator EFI

$363.95

V8 over Manifold, Bosch Style Injector Harness

V8 over Manifold, Bosch Style Connector Harness for Avenger EFI, HP EFI, Dominator EFI and Terminator X. GM / Chrysler Cylinder Orientation

$132.95

Weatherpak to GT (Stainless Steel) MAP Adapter Harness

$24.95

Wideband Oxygen Sensor Extension Cable

4 feet long - Ideal for Holley EFI

$88.48

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