Holley EFI

Replacement Holley EFI, Bosch Wide Band Oxygen Sensor.This sensor is a direct replacement for Holley HP, Dominator and Avenger EFI systems. Each Sensor is hand calibrated to insure accurate readings...

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...

Have you been searching for a reason to discard your old noisy mechanical speedometer cable? If so, the Holley GPS Module for our 7" Digital displays should be the next addition to your project...

Main harness for 99-04 2 & 4 Valve Ford Modular (4.6 & 5.4L) Engines. For Terminator X, X Max, HP and Dominator EFI systems. (Main engine harness only)

Ford V8 Injector Harness for Ford USCAR / EV6 style Fuel Injectors (Evenly Spaced) Works with Holley EFI systems Terminator X, X Max, HP and Dominator main harnesses. Eliminates the need for...

Great for applications requiring minimal Input/output wiring. 4 Output Wires 4 Input Wires Connector J1A/B Inputs/Outputs Auxiliary Harness for Terminator X, HP, and Dominator EFI systems

Used when adding a second wide band oxygen sensor to a Dominator EFI installation. For use with Bosch 4.2 and NTK wideband sensors. Features: J2A Connector #2 Wide band oxygen sensor harness...

The CAN to USB communication cable provides the user with real tuning time access to the ECU. This cable can be used with Holley EFI, Sniper EFI, and Terminator X Tuning Software. Which can be...

Unlock the full potential of your Terminator X EFI system with the Terminator X EFI Bluetooth Module - the ultimate tool for wireless tuning and real-time engine monitoring. This advanced module...

The biggest and baddest stand alone ECU is now available for your racing Fox Body in a complete Anderson Generation 3 Kit! Dominator® EFI Vehicle Management Systems are intended for...

Holley 3 Bar MAP sensor for use with Holley Terminator X ECU and Terminator X Max on Foxbody Mustang. Comes with new weatherpak connector to make a direct plug and play or can modify Terminator...

The Holley EFI CAN splitter allows you to add an additional CAN device to your Sniper EFI or Terminator X installation, without needing to unplug the handheld. This easy to install CAN splitter...