Quick view Holley ECU, DOMINATOR, V5, LIGHT WEIGHT, RED MSRP: Now: $2,839.95 Add to Cart Compare Quick view Holley EFI DOMINATOR ECU MSRP: Now: $2,675.95 Add to Cart Compare Quick view Holley HLY BRACKET MSRP: Now: $74.92 Compare Quick view Motion Raceworks Holley EFI HP ECU Roll Cage Bar Mount for Holley MSRP: Now: $99.99 Add to Cart Compare Quick view Holley HOLLEY EFI TERMINATOR X - GEN IV 4.8/5.3/6.0 GM TRUCK ENGINES AND LS2/LS3 MSRP: Now: $1,392.95 Add to Cart Compare Quick view Holley HOLLEY HP ECU MSRP: Now: $1,647.95 Add to Cart Compare Quick view Holley HOLLEY TERMINATOR X LS MSRP: Now: $1,605.56 Compare Quick view Holley LS HOLLEY HP EFI MSRP: Now: $2,441.95 Compare Quick view Holley TERMINATOR X 24X/1X EV1 LS MPFI KIT MSRP: Now: $1,301.95 Add to Cart Compare Quick view Holley TERMINATOR X MAX MSRP: Now: $1,599.95 Compare Quick view Holley TERMINATOR X MAX MPFI W/TRANS & DBW MSRP: Now: $2,006.95 Add to Cart Compare Quick view Holley TERMINATOR X MPFI, LS2/LS3 & LATE TRUCK MSRP: Now: $1,392.95 Add to Cart Compare Quick view 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... MSRP: Now: $2,839.95 Add to Cart Compare Quick view 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®... MSRP: Now: $2,675.95 Add to Cart Compare Quick view HLY BRACKET Introducing Holley EFI ECU mounting brackets, allowing you to safely mount your ECU under the seat of a Foxbody Mustang. Features: Easy Installation of Holley HP, Terminator X, or Terminator X Max ECU in Your Mustang Designed to mount all other Holley... MSRP: Now: $74.92 Compare Quick view 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... MSRP: Now: $99.99 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,647.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,605.56 Compare Quick view LS HOLLEY HP EFI GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes Bosch Oxygen Sensor Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to... MSRP: Now: $2,441.95 Compare Quick view 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... MSRP: Now: $1,301.95 Add to Cart Compare Quick view TERMINATOR X MAX GM LS 24x Crank, 1x Cam - 4.8/5.3/6.0 Truck 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... MSRP: Now: $1,599.95 Compare Quick view 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... MSRP: Now: $2,006.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Compare Selected ×
Quick view Holley EFI DOMINATOR ECU MSRP: Now: $2,675.95 Add to Cart Compare Quick view Holley HLY BRACKET MSRP: Now: $74.92 Compare Quick view Motion Raceworks Holley EFI HP ECU Roll Cage Bar Mount for Holley MSRP: Now: $99.99 Add to Cart Compare Quick view Holley HOLLEY EFI TERMINATOR X - GEN IV 4.8/5.3/6.0 GM TRUCK ENGINES AND LS2/LS3 MSRP: Now: $1,392.95 Add to Cart Compare Quick view Holley HOLLEY HP ECU MSRP: Now: $1,647.95 Add to Cart Compare Quick view Holley HOLLEY TERMINATOR X LS MSRP: Now: $1,605.56 Compare Quick view Holley LS HOLLEY HP EFI MSRP: Now: $2,441.95 Compare Quick view Holley TERMINATOR X 24X/1X EV1 LS MPFI KIT MSRP: Now: $1,301.95 Add to Cart Compare Quick view Holley TERMINATOR X MAX MSRP: Now: $1,599.95 Compare Quick view Holley TERMINATOR X MAX MPFI W/TRANS & DBW MSRP: Now: $2,006.95 Add to Cart Compare Quick view Holley TERMINATOR X MPFI, LS2/LS3 & LATE TRUCK MSRP: Now: $1,392.95 Add to Cart Compare Quick view 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... MSRP: Now: $2,839.95 Add to Cart Compare Quick view 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®... MSRP: Now: $2,675.95 Add to Cart Compare Quick view HLY BRACKET Introducing Holley EFI ECU mounting brackets, allowing you to safely mount your ECU under the seat of a Foxbody Mustang. Features: Easy Installation of Holley HP, Terminator X, or Terminator X Max ECU in Your Mustang Designed to mount all other Holley... MSRP: Now: $74.92 Compare Quick view 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... MSRP: Now: $99.99 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,647.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,605.56 Compare Quick view LS HOLLEY HP EFI GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes Bosch Oxygen Sensor Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to... MSRP: Now: $2,441.95 Compare Quick view 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... MSRP: Now: $1,301.95 Add to Cart Compare Quick view TERMINATOR X MAX GM LS 24x Crank, 1x Cam - 4.8/5.3/6.0 Truck 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... MSRP: Now: $1,599.95 Compare Quick view 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... MSRP: Now: $2,006.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Compare Selected ×
Quick view Holley HLY BRACKET MSRP: Now: $74.92 Compare Quick view Motion Raceworks Holley EFI HP ECU Roll Cage Bar Mount for Holley MSRP: Now: $99.99 Add to Cart Compare Quick view Holley HOLLEY EFI TERMINATOR X - GEN IV 4.8/5.3/6.0 GM TRUCK ENGINES AND LS2/LS3 MSRP: Now: $1,392.95 Add to Cart Compare Quick view Holley HOLLEY HP ECU MSRP: Now: $1,647.95 Add to Cart Compare Quick view Holley HOLLEY TERMINATOR X LS MSRP: Now: $1,605.56 Compare Quick view Holley LS HOLLEY HP EFI MSRP: Now: $2,441.95 Compare Quick view Holley TERMINATOR X 24X/1X EV1 LS MPFI KIT MSRP: Now: $1,301.95 Add to Cart Compare Quick view Holley TERMINATOR X MAX MSRP: Now: $1,599.95 Compare Quick view Holley TERMINATOR X MAX MPFI W/TRANS & DBW MSRP: Now: $2,006.95 Add to Cart Compare Quick view Holley TERMINATOR X MPFI, LS2/LS3 & LATE TRUCK MSRP: Now: $1,392.95 Add to Cart Compare Quick view 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... MSRP: Now: $2,839.95 Add to Cart Compare Quick view 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®... MSRP: Now: $2,675.95 Add to Cart Compare Quick view HLY BRACKET Introducing Holley EFI ECU mounting brackets, allowing you to safely mount your ECU under the seat of a Foxbody Mustang. Features: Easy Installation of Holley HP, Terminator X, or Terminator X Max ECU in Your Mustang Designed to mount all other Holley... MSRP: Now: $74.92 Compare Quick view 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... MSRP: Now: $99.99 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,647.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,605.56 Compare Quick view LS HOLLEY HP EFI GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes Bosch Oxygen Sensor Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to... MSRP: Now: $2,441.95 Compare Quick view 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... MSRP: Now: $1,301.95 Add to Cart Compare Quick view TERMINATOR X MAX GM LS 24x Crank, 1x Cam - 4.8/5.3/6.0 Truck 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... MSRP: Now: $1,599.95 Compare Quick view 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... MSRP: Now: $2,006.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Compare Selected ×
Quick view Motion Raceworks Holley EFI HP ECU Roll Cage Bar Mount for Holley MSRP: Now: $99.99 Add to Cart Compare Quick view Holley HOLLEY EFI TERMINATOR X - GEN IV 4.8/5.3/6.0 GM TRUCK ENGINES AND LS2/LS3 MSRP: Now: $1,392.95 Add to Cart Compare Quick view Holley HOLLEY HP ECU MSRP: Now: $1,647.95 Add to Cart Compare Quick view Holley HOLLEY TERMINATOR X LS MSRP: Now: $1,605.56 Compare Quick view Holley LS HOLLEY HP EFI MSRP: Now: $2,441.95 Compare Quick view Holley TERMINATOR X 24X/1X EV1 LS MPFI KIT MSRP: Now: $1,301.95 Add to Cart Compare Quick view Holley TERMINATOR X MAX MSRP: Now: $1,599.95 Compare Quick view Holley TERMINATOR X MAX MPFI W/TRANS & DBW MSRP: Now: $2,006.95 Add to Cart Compare Quick view Holley TERMINATOR X MPFI, LS2/LS3 & LATE TRUCK MSRP: Now: $1,392.95 Add to Cart Compare Quick view 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... MSRP: Now: $2,839.95 Add to Cart Compare Quick view 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®... MSRP: Now: $2,675.95 Add to Cart Compare Quick view HLY BRACKET Introducing Holley EFI ECU mounting brackets, allowing you to safely mount your ECU under the seat of a Foxbody Mustang. Features: Easy Installation of Holley HP, Terminator X, or Terminator X Max ECU in Your Mustang Designed to mount all other Holley... MSRP: Now: $74.92 Compare Quick view 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... MSRP: Now: $99.99 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,647.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,605.56 Compare Quick view LS HOLLEY HP EFI GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes Bosch Oxygen Sensor Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to... MSRP: Now: $2,441.95 Compare Quick view 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... MSRP: Now: $1,301.95 Add to Cart Compare Quick view TERMINATOR X MAX GM LS 24x Crank, 1x Cam - 4.8/5.3/6.0 Truck 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... MSRP: Now: $1,599.95 Compare Quick view 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... MSRP: Now: $2,006.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Compare Selected ×
Quick view Holley HOLLEY EFI TERMINATOR X - GEN IV 4.8/5.3/6.0 GM TRUCK ENGINES AND LS2/LS3 MSRP: Now: $1,392.95 Add to Cart Compare Quick view Holley HOLLEY HP ECU MSRP: Now: $1,647.95 Add to Cart Compare Quick view Holley HOLLEY TERMINATOR X LS MSRP: Now: $1,605.56 Compare Quick view Holley LS HOLLEY HP EFI MSRP: Now: $2,441.95 Compare Quick view Holley TERMINATOR X 24X/1X EV1 LS MPFI KIT MSRP: Now: $1,301.95 Add to Cart Compare Quick view Holley TERMINATOR X MAX MSRP: Now: $1,599.95 Compare Quick view Holley TERMINATOR X MAX MPFI W/TRANS & DBW MSRP: Now: $2,006.95 Add to Cart Compare Quick view Holley TERMINATOR X MPFI, LS2/LS3 & LATE TRUCK MSRP: Now: $1,392.95 Add to Cart Compare Quick view 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... MSRP: Now: $2,839.95 Add to Cart Compare Quick view 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®... MSRP: Now: $2,675.95 Add to Cart Compare Quick view HLY BRACKET Introducing Holley EFI ECU mounting brackets, allowing you to safely mount your ECU under the seat of a Foxbody Mustang. Features: Easy Installation of Holley HP, Terminator X, or Terminator X Max ECU in Your Mustang Designed to mount all other Holley... MSRP: Now: $74.92 Compare Quick view 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... MSRP: Now: $99.99 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,647.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,605.56 Compare Quick view LS HOLLEY HP EFI GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes Bosch Oxygen Sensor Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to... MSRP: Now: $2,441.95 Compare Quick view 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... MSRP: Now: $1,301.95 Add to Cart Compare Quick view TERMINATOR X MAX GM LS 24x Crank, 1x Cam - 4.8/5.3/6.0 Truck 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... MSRP: Now: $1,599.95 Compare Quick view 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... MSRP: Now: $2,006.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Compare Selected ×
Quick view Holley HOLLEY HP ECU MSRP: Now: $1,647.95 Add to Cart Compare Quick view Holley HOLLEY TERMINATOR X LS MSRP: Now: $1,605.56 Compare Quick view Holley LS HOLLEY HP EFI MSRP: Now: $2,441.95 Compare Quick view Holley TERMINATOR X 24X/1X EV1 LS MPFI KIT MSRP: Now: $1,301.95 Add to Cart Compare Quick view Holley TERMINATOR X MAX MSRP: Now: $1,599.95 Compare Quick view Holley TERMINATOR X MAX MPFI W/TRANS & DBW MSRP: Now: $2,006.95 Add to Cart Compare Quick view Holley TERMINATOR X MPFI, LS2/LS3 & LATE TRUCK MSRP: Now: $1,392.95 Add to Cart Compare Quick view 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... MSRP: Now: $2,839.95 Add to Cart Compare Quick view 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®... MSRP: Now: $2,675.95 Add to Cart Compare Quick view HLY BRACKET Introducing Holley EFI ECU mounting brackets, allowing you to safely mount your ECU under the seat of a Foxbody Mustang. Features: Easy Installation of Holley HP, Terminator X, or Terminator X Max ECU in Your Mustang Designed to mount all other Holley... MSRP: Now: $74.92 Compare Quick view 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... MSRP: Now: $99.99 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,647.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,605.56 Compare Quick view LS HOLLEY HP EFI GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes Bosch Oxygen Sensor Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to... MSRP: Now: $2,441.95 Compare Quick view 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... MSRP: Now: $1,301.95 Add to Cart Compare Quick view TERMINATOR X MAX GM LS 24x Crank, 1x Cam - 4.8/5.3/6.0 Truck 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... MSRP: Now: $1,599.95 Compare Quick view 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... MSRP: Now: $2,006.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Compare Selected ×
Quick view Holley HOLLEY TERMINATOR X LS MSRP: Now: $1,605.56 Compare Quick view Holley LS HOLLEY HP EFI MSRP: Now: $2,441.95 Compare Quick view Holley TERMINATOR X 24X/1X EV1 LS MPFI KIT MSRP: Now: $1,301.95 Add to Cart Compare Quick view Holley TERMINATOR X MAX MSRP: Now: $1,599.95 Compare Quick view Holley TERMINATOR X MAX MPFI W/TRANS & DBW MSRP: Now: $2,006.95 Add to Cart Compare Quick view Holley TERMINATOR X MPFI, LS2/LS3 & LATE TRUCK MSRP: Now: $1,392.95 Add to Cart Compare Quick view 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... MSRP: Now: $2,839.95 Add to Cart Compare Quick view 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®... MSRP: Now: $2,675.95 Add to Cart Compare Quick view HLY BRACKET Introducing Holley EFI ECU mounting brackets, allowing you to safely mount your ECU under the seat of a Foxbody Mustang. Features: Easy Installation of Holley HP, Terminator X, or Terminator X Max ECU in Your Mustang Designed to mount all other Holley... MSRP: Now: $74.92 Compare Quick view 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... MSRP: Now: $99.99 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,647.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,605.56 Compare Quick view LS HOLLEY HP EFI GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes Bosch Oxygen Sensor Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to... MSRP: Now: $2,441.95 Compare Quick view 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... MSRP: Now: $1,301.95 Add to Cart Compare Quick view TERMINATOR X MAX GM LS 24x Crank, 1x Cam - 4.8/5.3/6.0 Truck 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... MSRP: Now: $1,599.95 Compare Quick view 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... MSRP: Now: $2,006.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Compare Selected ×
Quick view Holley LS HOLLEY HP EFI MSRP: Now: $2,441.95 Compare Quick view Holley TERMINATOR X 24X/1X EV1 LS MPFI KIT MSRP: Now: $1,301.95 Add to Cart Compare Quick view Holley TERMINATOR X MAX MSRP: Now: $1,599.95 Compare Quick view Holley TERMINATOR X MAX MPFI W/TRANS & DBW MSRP: Now: $2,006.95 Add to Cart Compare Quick view Holley TERMINATOR X MPFI, LS2/LS3 & LATE TRUCK MSRP: Now: $1,392.95 Add to Cart Compare Quick view 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... MSRP: Now: $2,839.95 Add to Cart Compare Quick view 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®... MSRP: Now: $2,675.95 Add to Cart Compare Quick view HLY BRACKET Introducing Holley EFI ECU mounting brackets, allowing you to safely mount your ECU under the seat of a Foxbody Mustang. Features: Easy Installation of Holley HP, Terminator X, or Terminator X Max ECU in Your Mustang Designed to mount all other Holley... MSRP: Now: $74.92 Compare Quick view 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... MSRP: Now: $99.99 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,647.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,605.56 Compare Quick view LS HOLLEY HP EFI GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes Bosch Oxygen Sensor Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to... MSRP: Now: $2,441.95 Compare Quick view 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... MSRP: Now: $1,301.95 Add to Cart Compare Quick view TERMINATOR X MAX GM LS 24x Crank, 1x Cam - 4.8/5.3/6.0 Truck 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... MSRP: Now: $1,599.95 Compare Quick view 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... MSRP: Now: $2,006.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Compare Selected ×
Quick view Holley TERMINATOR X 24X/1X EV1 LS MPFI KIT MSRP: Now: $1,301.95 Add to Cart Compare Quick view Holley TERMINATOR X MAX MSRP: Now: $1,599.95 Compare Quick view Holley TERMINATOR X MAX MPFI W/TRANS & DBW MSRP: Now: $2,006.95 Add to Cart Compare Quick view Holley TERMINATOR X MPFI, LS2/LS3 & LATE TRUCK MSRP: Now: $1,392.95 Add to Cart Compare Quick view 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... MSRP: Now: $2,839.95 Add to Cart Compare Quick view 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®... MSRP: Now: $2,675.95 Add to Cart Compare Quick view HLY BRACKET Introducing Holley EFI ECU mounting brackets, allowing you to safely mount your ECU under the seat of a Foxbody Mustang. Features: Easy Installation of Holley HP, Terminator X, or Terminator X Max ECU in Your Mustang Designed to mount all other Holley... MSRP: Now: $74.92 Compare Quick view 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... MSRP: Now: $99.99 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,647.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,605.56 Compare Quick view LS HOLLEY HP EFI GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes Bosch Oxygen Sensor Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to... MSRP: Now: $2,441.95 Compare Quick view 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... MSRP: Now: $1,301.95 Add to Cart Compare Quick view TERMINATOR X MAX GM LS 24x Crank, 1x Cam - 4.8/5.3/6.0 Truck 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... MSRP: Now: $1,599.95 Compare Quick view 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... MSRP: Now: $2,006.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Compare Selected ×
Quick view Holley TERMINATOR X MAX MSRP: Now: $1,599.95 Compare Quick view Holley TERMINATOR X MAX MPFI W/TRANS & DBW MSRP: Now: $2,006.95 Add to Cart Compare Quick view Holley TERMINATOR X MPFI, LS2/LS3 & LATE TRUCK MSRP: Now: $1,392.95 Add to Cart Compare Quick view 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... MSRP: Now: $2,839.95 Add to Cart Compare Quick view 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®... MSRP: Now: $2,675.95 Add to Cart Compare Quick view HLY BRACKET Introducing Holley EFI ECU mounting brackets, allowing you to safely mount your ECU under the seat of a Foxbody Mustang. Features: Easy Installation of Holley HP, Terminator X, or Terminator X Max ECU in Your Mustang Designed to mount all other Holley... MSRP: Now: $74.92 Compare Quick view 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... MSRP: Now: $99.99 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,647.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,605.56 Compare Quick view LS HOLLEY HP EFI GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes Bosch Oxygen Sensor Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to... MSRP: Now: $2,441.95 Compare Quick view 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... MSRP: Now: $1,301.95 Add to Cart Compare Quick view TERMINATOR X MAX GM LS 24x Crank, 1x Cam - 4.8/5.3/6.0 Truck 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... MSRP: Now: $1,599.95 Compare Quick view 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... MSRP: Now: $2,006.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Compare Selected ×
Quick view Holley TERMINATOR X MAX MPFI W/TRANS & DBW MSRP: Now: $2,006.95 Add to Cart Compare Quick view Holley TERMINATOR X MPFI, LS2/LS3 & LATE TRUCK MSRP: Now: $1,392.95 Add to Cart Compare Quick view 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... MSRP: Now: $2,839.95 Add to Cart Compare Quick view 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®... MSRP: Now: $2,675.95 Add to Cart Compare Quick view HLY BRACKET Introducing Holley EFI ECU mounting brackets, allowing you to safely mount your ECU under the seat of a Foxbody Mustang. Features: Easy Installation of Holley HP, Terminator X, or Terminator X Max ECU in Your Mustang Designed to mount all other Holley... MSRP: Now: $74.92 Compare Quick view 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... MSRP: Now: $99.99 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,647.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,605.56 Compare Quick view LS HOLLEY HP EFI GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes Bosch Oxygen Sensor Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to... MSRP: Now: $2,441.95 Compare Quick view 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... MSRP: Now: $1,301.95 Add to Cart Compare Quick view TERMINATOR X MAX GM LS 24x Crank, 1x Cam - 4.8/5.3/6.0 Truck 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... MSRP: Now: $1,599.95 Compare Quick view 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... MSRP: Now: $2,006.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Compare Selected ×
Quick view Holley TERMINATOR X MPFI, LS2/LS3 & LATE TRUCK MSRP: Now: $1,392.95 Add to Cart Compare Quick view 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... MSRP: Now: $2,839.95 Add to Cart Compare Quick view 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®... MSRP: Now: $2,675.95 Add to Cart Compare Quick view HLY BRACKET Introducing Holley EFI ECU mounting brackets, allowing you to safely mount your ECU under the seat of a Foxbody Mustang. Features: Easy Installation of Holley HP, Terminator X, or Terminator X Max ECU in Your Mustang Designed to mount all other Holley... MSRP: Now: $74.92 Compare Quick view 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... MSRP: Now: $99.99 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,647.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,605.56 Compare Quick view LS HOLLEY HP EFI GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes Bosch Oxygen Sensor Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to... MSRP: Now: $2,441.95 Compare Quick view 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... MSRP: Now: $1,301.95 Add to Cart Compare Quick view TERMINATOR X MAX GM LS 24x Crank, 1x Cam - 4.8/5.3/6.0 Truck 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... MSRP: Now: $1,599.95 Compare Quick view 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... MSRP: Now: $2,006.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Compare Selected ×
Quick view 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... MSRP: Now: $2,839.95 Add to Cart Compare Quick view 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®... MSRP: Now: $2,675.95 Add to Cart Compare Quick view HLY BRACKET Introducing Holley EFI ECU mounting brackets, allowing you to safely mount your ECU under the seat of a Foxbody Mustang. Features: Easy Installation of Holley HP, Terminator X, or Terminator X Max ECU in Your Mustang Designed to mount all other Holley... MSRP: Now: $74.92 Compare Quick view 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... MSRP: Now: $99.99 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,647.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,605.56 Compare Quick view LS HOLLEY HP EFI GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes Bosch Oxygen Sensor Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to... MSRP: Now: $2,441.95 Compare Quick view 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... MSRP: Now: $1,301.95 Add to Cart Compare Quick view TERMINATOR X MAX GM LS 24x Crank, 1x Cam - 4.8/5.3/6.0 Truck 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... MSRP: Now: $1,599.95 Compare Quick view 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... MSRP: Now: $2,006.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Compare Selected ×
Quick view 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®... MSRP: Now: $2,675.95 Add to Cart Compare Quick view HLY BRACKET Introducing Holley EFI ECU mounting brackets, allowing you to safely mount your ECU under the seat of a Foxbody Mustang. Features: Easy Installation of Holley HP, Terminator X, or Terminator X Max ECU in Your Mustang Designed to mount all other Holley... MSRP: Now: $74.92 Compare Quick view 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... MSRP: Now: $99.99 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,647.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,605.56 Compare Quick view LS HOLLEY HP EFI GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes Bosch Oxygen Sensor Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to... MSRP: Now: $2,441.95 Compare Quick view 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... MSRP: Now: $1,301.95 Add to Cart Compare Quick view TERMINATOR X MAX GM LS 24x Crank, 1x Cam - 4.8/5.3/6.0 Truck 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... MSRP: Now: $1,599.95 Compare Quick view 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... MSRP: Now: $2,006.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Compare Selected ×
Quick view HLY BRACKET Introducing Holley EFI ECU mounting brackets, allowing you to safely mount your ECU under the seat of a Foxbody Mustang. Features: Easy Installation of Holley HP, Terminator X, or Terminator X Max ECU in Your Mustang Designed to mount all other Holley... MSRP: Now: $74.92 Compare Quick view 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... MSRP: Now: $99.99 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,647.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,605.56 Compare Quick view LS HOLLEY HP EFI GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes Bosch Oxygen Sensor Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to... MSRP: Now: $2,441.95 Compare Quick view 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... MSRP: Now: $1,301.95 Add to Cart Compare Quick view TERMINATOR X MAX GM LS 24x Crank, 1x Cam - 4.8/5.3/6.0 Truck 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... MSRP: Now: $1,599.95 Compare Quick view 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... MSRP: Now: $2,006.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Compare Selected ×
Quick view 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... MSRP: Now: $99.99 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,647.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,605.56 Compare Quick view LS HOLLEY HP EFI GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes Bosch Oxygen Sensor Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to... MSRP: Now: $2,441.95 Compare Quick view 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... MSRP: Now: $1,301.95 Add to Cart Compare Quick view TERMINATOR X MAX GM LS 24x Crank, 1x Cam - 4.8/5.3/6.0 Truck 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... MSRP: Now: $1,599.95 Compare Quick view 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... MSRP: Now: $2,006.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Compare Selected ×
Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,647.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,605.56 Compare Quick view LS HOLLEY HP EFI GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes Bosch Oxygen Sensor Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to... MSRP: Now: $2,441.95 Compare Quick view 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... MSRP: Now: $1,301.95 Add to Cart Compare Quick view TERMINATOR X MAX GM LS 24x Crank, 1x Cam - 4.8/5.3/6.0 Truck 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... MSRP: Now: $1,599.95 Compare Quick view 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... MSRP: Now: $2,006.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Compare Selected ×
Quick view 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... MSRP: Now: $1,647.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,605.56 Compare Quick view LS HOLLEY HP EFI GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes Bosch Oxygen Sensor Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to... MSRP: Now: $2,441.95 Compare Quick view 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... MSRP: Now: $1,301.95 Add to Cart Compare Quick view TERMINATOR X MAX GM LS 24x Crank, 1x Cam - 4.8/5.3/6.0 Truck 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... MSRP: Now: $1,599.95 Compare Quick view 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... MSRP: Now: $2,006.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Compare Selected ×
Quick view 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... MSRP: Now: $1,605.56 Compare Quick view LS HOLLEY HP EFI GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes Bosch Oxygen Sensor Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to... MSRP: Now: $2,441.95 Compare Quick view 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... MSRP: Now: $1,301.95 Add to Cart Compare Quick view TERMINATOR X MAX GM LS 24x Crank, 1x Cam - 4.8/5.3/6.0 Truck 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... MSRP: Now: $1,599.95 Compare Quick view 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... MSRP: Now: $2,006.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Compare Selected ×
Quick view LS HOLLEY HP EFI GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes Bosch Oxygen Sensor Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to... MSRP: Now: $2,441.95 Compare Quick view 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... MSRP: Now: $1,301.95 Add to Cart Compare Quick view TERMINATOR X MAX GM LS 24x Crank, 1x Cam - 4.8/5.3/6.0 Truck 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... MSRP: Now: $1,599.95 Compare Quick view 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... MSRP: Now: $2,006.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Compare Selected ×
Quick view 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... MSRP: Now: $1,301.95 Add to Cart Compare Quick view TERMINATOR X MAX GM LS 24x Crank, 1x Cam - 4.8/5.3/6.0 Truck 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... MSRP: Now: $1,599.95 Compare Quick view 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... MSRP: Now: $2,006.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Compare Selected ×
Quick view TERMINATOR X MAX GM LS 24x Crank, 1x Cam - 4.8/5.3/6.0 Truck 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... MSRP: Now: $1,599.95 Compare Quick view 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... MSRP: Now: $2,006.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Compare Selected ×
Quick view 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... MSRP: Now: $2,006.95 Add to Cart Compare Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Compare Selected ×
Quick view 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... MSRP: Now: $1,392.95 Add to Cart Compare Compare Selected
