Holley EFI Comp (ala-carte)

Holley EFI 100FT Shielded Cable, 3 Conductor 3 conductor shielded cable

Holley EFI 25FT Shielded Cable, 3 Conductor 3 conductor shielded cable

Holley EFI 100FT Cable, 7 Conductor

Holley EFI 25FT Cable, 7 Conductor 7 conductor cable

Super Seal Terminals (18-16ga) 100 Pack OEM Quality Pins

Super Seal Terminals (24-20ga) 100 Pack OEM Quality Pins

METRIPACK 150 WEATHER PLUG 100 PACK 100 Pack

J4 CONNECTOR KIT OEM Quality Connector

J3 CONNECTOR KIT OEM Quality Connector

J2B CONNECTOR KIT OEM Quality Connector

J2A CONNECTOR KIT OEM Quality Connector

J1B CONNECTOR KIT OEM Quality Connector

Holley EFI ECU Pin Crimper Ratcheting crimper tool for ECU Pins.

Sniper 1 to Sniper 2 EFI Adapter Harness Eliminates the need to rewire your existing Sniper EFI installation

Pro Dash M8 Service Harness M8 Service Harness 6.86" and 12.3" Pro Dash

GM PWM Alternator Harness For use with 2007+ PWM GM Alternators.

Holley EFI Transmission Control Harness - Chrysler 46RE Fits 1996-2003 Transmissions - Use with Terminator X Max only

1992-1997 Ford AODE/4R70W Transmission Control Harness Plug and play Transmission Harness for 1992-1997 Ford AODE/4R70W

Ford 4R70W/4R75W Transmission Control Harness Ford 4R70W/4R75W Transmission Control Harness (98+)

2018-2022 Ford DBW Harness Throttle Body - JL3E-9F991-AA - Throttle Pedal - BR3Z-9F836-D

Holley EFI Terminator X DBW Harness - GM GEN V LTX For LTx Throttle Bodies and Terminator X and X Max ECUs

Delphi M/P 150 to GT (Stainless Steel) MAP Adapter Harness Retains your factory harness connector

Weatherpak to GT (Stainless Steel) MAP Adapter Harness Retains your factory harness connector

Holley EFI CAN Splitter Sniper EFI or Terminator X

Holley Wiring Harnesses 558-462 Wiring Harnesses. Holley EFI, Replacement, Input/Output Harness, Terminator EFI Systems, Pre-Terminated, Plug-and-Play, Each

2009+ GM 4L60E Transmission Control Harness Plug and Play with Dominator ECU

Holley EFI Chrysler HEMI Drive-By-Wire Dual Throttle Body Harness HEMI DUAL DBW HARNESS, 2013+ APPLICATION

Pro Dash Service Harness Replacement Harness

Terminator Throttle Body Harness Injector upgrade harness for Terminator Throttle Bodies.

Sealed USB Data Cable Holley EFI Sealed USB Cable 15'

Terminated Vehicle Harness for Digital Dash Terminated Vehicle Harness For Digital Dash

Digital Dash I/O Adapter w/Terminated Vehicle Harness Digital Dash I/O Adapter with terminated Vehicle Harness

Digital Dash I/O Adapter w/Unterminated Vehicle Harness Digital Dash I/O Adapter with unterminated Vehicle Harness

Digital Dash I/O Adapter Replacement I/O Adapter

Holley EFI GM Drive-By-Wire Harness - Early Truck Drive-By-Wire Harness - Early Truck

Terminator EFI Input/Output Kit This kit contains 4 extra input wires and 1 extra output wire that the base Terminator EFI harness does not contain.

Sealed USB Data Cable Holley EFI Sealed USB Cable 7'

Holley EFI GM Drive-By-Wire Harness Terminator X MAX and Dominator EFI GM Drive-By-Wire Harness

GM 4L60/80E Transmission Harness GM 4L60/80E Transmission Harness - For 1996-2008 Transmissions only.

Dominator EFI Auxiliary Harness Dominator EFI Connector J4 Auxiliary Harness

Dominator EFI Auxiliary Harness Dominator EFI Connector J3 Auxiliary Harness

Dominator EFI Auxiliary Harness Dominator EFI Connector J2B Auxiliary Harness

Dominator EFI Auxiliary Harness Dominator EFI Connector J2A Auxiliary Harness

Connector J1A/B Input/Outputs Auxiliary Harness Connector J1A/B Inputs/Outputs Auxiliary Harness for Terminator X, HP, and Dominator EFI systems

LS Coil Extension Harnesses Designed to extend your factory coil harness, allowing you to easily remote mount your LS ignition coils.