EFI Engine Management

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...

Holley EFI 3.5" Touch Screan LCD for use with all Terminator, HP, and Dominator EFI systems  This touch screen LCD provides a dynamic range of tuning and data monitoring options in a compact, full...

Ford V8 Injector Harness for HP EFI, Terminator X & Dominator EFI, have EV1 Injector connectors  

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

Universal MPFI Main Harness for HP EFI & Dominator EFI  

Introducing the 1986-93 Ford Mustang 5.0L Air Charge / Intake Air Temperature extension harness. This extension harness lets you move your ACT/IAT sensor from the lower intake manifold to before...

This product allows you to mount a Holley LCD Touch Screen 3.5" Digital Dash into the factory center dash vents. It is manufactured using ABS materials via a 3D Printer. Paint to match interior...

Holley EFI ECU mounting brackets (Select which ECU above), allowing you to safely mount your ECU under the seat of a Foxbody Mustang. 554-157 Easy Installation of Holley HP, Terminator X, or...