DOMINATOR EFI KIT - UNIVERSAL - COP MAIN HARNESS - WITH COIL ON PLUG MAIN AND SUB HARNESS WITH EV1 INJECTOR HARNESS

Dominator® EFI Vehicle Management Systems are intended for non-emissions street and racing engine applications. In addition to the transmission control, drive by wire, and dual wideband oxygen sensor options, Dominator® systems have nearly...

ECU, DOMINATOR, V5, LIGHT WEIGHT, RED

PN 554-114LW is a Holley EFI Dominator ECU which utilizes a lighter potting material than the standard Dominator unit (reduces total weight by 1.8 lbs). This lightweight version is specifically intended for drag racing. It is not recommended for use in...

EFI DOMINATOR ECU

Dominator® EFI Vehicle Management Systems are intended for all engine applications, from street to unlimited high-end racing applications. In addition to the transmission control, drive by wire, and dual wideband oxygen sensor options, Dominator®...

Holley EFI HP ECU Roll Cage Bar Mount for Holley

Holley EFI HP Roll Cage Bar Mount for Holley 554-113 ECU This all new Motion Raceworks Holley EFI ECU Mount makes mounting a Holley HP EFI computer very easy.  Featuring a swiveling set of rear roll bar mounts, you can mount the plate at varying...

HOLLEY EFI TERMINATOR X - GEN IV 4.8/5.3/6.0 GM TRUCK ENGINES AND LS2/LS3

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...

HOLLEY HP ECU

Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits are designed to be used with popular factory EFI...

HOLLEY TERMINATOR X LS

GM LS 24x Crank, 1x Cam - LS1/LS6 Engines - 4L60E/4L80E Transmission Control, No Laptop Required, 3.5" Touchscreen Included Take control of your LS engine with Terminator X Max! Don't settle for a junkyard ECU with a cumbersome tuning interface when you...

TERMINATOR X 24X/1X EV1 LS MPFI KIT

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...

TERMINATOR X MAX MPFI W/TRANS & DBW

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...

TERMINATOR X MPFI, LS2/LS3 & LATE TRUCK

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...