EFI Systems

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 vehicle. Featuring a simple plug and play installation, this...

Designed to eliminate jittery tach signals when using points/tach pin B5 to provide RPM to the 7" Standalone Digital Dash

Dash bezels that are designed to work with the Holley dashes. The bezels are made from a 5/32" thick UV-resistant ABS composite material. Structurally, these bezels are are as strong, or stronger than the OEM panels. The bezels come in a matte black...

The black universal mount dash bezel for the Holley 6.86 inch pro dash is made of UV resistant composite for durability. The overall dimensions are 12 x 21 inches to allow you to trim to fit your application. Features: Made of UV-resistant ABS composite...

The black universal mount dash bezel for the Holley 7.5 inch dash is made of UV resistant composite for durability. The overall dimensions are 12 x 21 inches to allow you to trim to fit your application. Features: Made of UV-resistant ABS composite for...

Holley's new 6.86" Pro Dash delivers over 200 monitoring channels of reliable real-time data in a more compact, full HD package suitable for nearly any motorsports application. Be assured that the Holley EFI 6.86" Pro Dash will deliver the vitals you...

Introducing the all new LED Light Bar from Holley EFI. The days of low oil dummy lights are behind us! This LED display will revolutionize the way you think about shift lights, and warning indicators. The Holley EFI LED Light Bar features 14 LED's that...

The Holley EFI Digital Dash is completely customizable with a variety of gauge and indicator screens that can be programmed to display any parameter you need. The dash also offers a virtual switch panel, user-defined alarms, configurable shift lights,...

06.05.24IT'S BACK!This system has been put back in to production by Holley! We now have them available for sale again!Take control of your 302ci Small Block Ford engine in your Fox Body Mustang with Holley EFI Terminator X system! Don't settle for the...

Take control of your conventional Ford engine with Terminator X! Don't settle for a factory ECU with a cumbersome tuning interface or pre-programmed tuning chip when you can have complete control of your engine, self-learning fuel strategies and the...

Take control of your LS engine with Terminator X Max! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel strategies and the proven, race-winning technology of Holley...

Take control of your LS engine with Terminator X Max! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel strategies and the proven, race-winning technology of Holley...

Take control of your LS engine with Terminator X! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel strategies and the proven, race-winning technology of Holley EFI at...

Take control of your LS engine with Terminator X! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel strategies and the proven, race-winning technology of Holley EFI at...

Take control of your LS engine with Terminator X! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel strategies and the proven, race-winning technology of Holley EFI at...