PCM Flash Programmers / EFI Engine Management

Plug and play for Holley Avenger, Terminator X, HP, and Dominator ECU fuel and oil pressure inputs. 1/8" NPTFeatures:•Plug and play for both fuel and oil pressure inputs with Holley EFI...

The Holley EFI 5-inch Digital Dash comes out of the box, ready to plug and play with your Gen 1 Sniper EFI, Terminator X or X MAX, and Holley EFI Dominator or HP ECU. The 5-inch digital touch...

This 3.5" Touch Screen LCD Handheld Controller gives you access to a wide range of tuning options. Additionally this display can be used as a fully customizable data monitor! With this 3.5" display...

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

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...

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...

  4-BANK E-PROM CHIPS FOR EEC-IV & EEC-V FORD CARS Experience p

Easy to install with one touch lever. PVC suction mount arm adjusts vertically and provides 360 degree rotation. 

If you want to have the ability to convert your Holley EFI equipped Fox Body to the GM style idle air control stepper motor on your throttle body then this kit is for you. The Anderson Gen 3 Holley...

Bosch 4.9 Wideband O2 Sensor Replacement Bosch Wideband Oxygen sensor for Sniper EFI and Terminator X and X Max systems. Original equipment for AFM Gen 2/3 Holley kits. Anti-Seize pre-applied...

 An air conditioning specific Wiring kit for 87-93 Mustangs using Holley Terminator X, X Max, HP and Dominator systems. Produced by Fathead Garage. A simple to wire up and easy to install wiring kit...

This kit allows for the use of an Ethanol Sensor (Flexfuel Sensor) to determine the percentage of ethanol in fuel. The kit comes with the Aeromotive adapter 15141 which has a 10an internal channel to...

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...