EFI Systems & Accessories
-
On Sale
Holley Terminator X Max GM Gen V LT4 Standalone ECU & Wire Harness Direct Injection Kit Late 550-1634-6
HOLLEY
Now: $3,193.95Was: $3,549.95Holley Terminator X Max GM Gen V LT4 Standalone ECU & Wire Harness Direct Injection Kit Late 550-1634-6 GM LT Drive-by-Wire Throttle Body and GM 6L80E and 6L90E Transmission Control Take control of your GM Gen V LT4, LT1, L83, or L86...550-1634-6Now: $3,193.95Was: $3,549.95 -
On Sale
Holley Terminator X Max GM Gen V LT4 Standalone ECU & Wire Harness Direct Injection Kit Early 550-1633-6
HOLLEY
Now: $3,193.95Was: $3,549.95Holley Terminator X Max GM Gen V LT4 Standalone ECU & Wire Harness Direct Injection Kit Early 550-1633-6 GM LT Drive-by-Wire Throttle Body and GM 6L80E and 6L90E Transmission Control Take control of your GM Gen V LT4, LT1, L83, or L86 engine...550-1633-6Now: $3,193.95Was: $3,549.95 -
On Sale
Holley Terminator X Max GM Gen V LT4 Standalone ECU & Wire Harness Direct Injection Kit Late 550-1624
HOLLEY
Now: $2,743.95Was: $3,049.95Holley Terminator X Max GM Gen V LT4 Standalone ECU & Wire Harness Direct Injection Kit Late 550-1624 GM LT Drive-by-Wire Throttle Body Control Take control of your GM Gen V LT4, LT1, L83, or L86 engine with Terminator X! Do not settle for a...550-1624Now: $2,743.95Was: $3,049.95 -
On Sale
Holley Terminator X Max GM Gen V LT4 Standalone ECU & Wire Harness Direct Injection Kit Early 550-1623
HOLLEY
Now: $2,743.95Was: $3,049.95Holley Terminator X Max GM Gen V LT4 Standalone ECU & Wire Harness Direct Injection Kit Early 550-1623 GM LT Drive-by-Wire Throttle Body Control Take control of your GM Gen V LT4, LT1, L83, or L86 engine with Terminator X! Do not settle for a...550-1623Now: $2,743.95Was: $3,049.95 -
On Sale
Holley Terminator X Max GM LS Gen IV Standalone ECU & Wire Harness /Trans Control- 24x Late Truck w/6L80 - 550-917-6
HOLLEY
Now: $2,068.95Was: $2,299.95Holley Terminator X Max GM LS Gen IV Standalone ECU & Wire Harness /Trans Control- 58x Late Truck w/6L80 - 550-918-6 24x Crank - 1x Cam - Multec 2 Injectors - 6L80/90 Transmission Control - 3.5-inch Touchscreen Take control of your LS engine and...550-917-6Now: $2,068.95Was: $2,299.95 -
On Sale
Holley Terminator X Max GM LS Gen IV Standalone ECU & Wire Harness /Trans Control- 58x Late Truck w/6L80 - 550-918-6
HOLLEY
Now: $2,068.95Was: $2,299.95Holley Terminator X Max GM LS Gen IV Standalone ECU & Wire Harness /Trans Control- 58x Late Truck w/6L80 - 550-918-6 58x Crank - 4x Cam - EV6 Injectors - 6L80/90 Transmission Control - 3.5-inch Touchscreen Take control of your LS engine and 6L80...550-918-6Now: $2,068.95Was: $2,299.95 -
On Sale
Holley Terminator X Max GM LS Gen IV Standalone ECU & Wire Harness /Trans Control/DBW - 58x Late Truck w/6L80 - 550-928-6
HOLLEY
Now: $2,248.95Was: $2,499.95Holley Terminator X Max GM LS Gen IV Standalone ECU & Wire Harness /Trans Control/DBW - 58x Late Truck w/6L80 - 550-928-6 58x Crank - 4x Cam - EV6 Injectors - Drive-By-Wire Throttle Body and 6L80/90 Transmission Control - 3.5-inch...550-928-6Now: $2,248.95Was: $2,499.95 -
On Sale
Holley EFI GM F-Body T-56 Transmission Harness for Terminator X Max ECU 558-481
HOLLEY
Now: $206.05Was: $228.95Holley EFI GM F-Body T-56 Transmission Harness for Terminator X Max ECU F-Body T-56 Transmission Harness for use with Terminator X Max ECU's on V3 Build 100, or Holley EFI V6 Build 300, or later. F-Body T-56 Transmission Harness -...558-481Now: $206.05Was: $228.95 -
On Sale
Holley EFI GM T-56 Magnum Transmission Harness for Terminator X Max ECU 558-480
HOLLEY
Now: $206.05Was: $228.95Holley EFI GM T-56 Magnum Transmission Harness for Terminator X Max ECU T-56 Magnum Transmission Harness for use with Terminator X Max ECU's on V3 Build 100, Holley EFI V6 Build 300, or later. T-56 Magnum Transmission Harness - Terminated...558-480Now: $206.05Was: $228.95 -
On Sale
Holley GM Dominator Drive-by-Wire EFI Wiring Harness Early Truck 558-429
HOLLEY
Now: $242.95Was: $269.95Holley GM Dominator Drive-by-Wire EFI Wiring Harness Early Truck 558-429 Dominator EFI GM DBW Harness-Early Truck. Compatible with GM part number 10379038. Only the following factory drive-by-wire throttle bodies have been pre-calibrated and...558-429Now: $242.95Was: $269.95 -
On Sale
Holley Universal 4BBL 1000 CFM Throttle Body Billet 112-577
HOLLEY
Now: $898.95Was: $999.95Holley Universal 4BBL 1000 CFM Throttle Body Billet 112-577 Universal 4BBL Billet 1000 CFM 4150 Flange Throttle Body If you're thinking of building either a high performance or race multi-point fuel Injection system for your engine, look no further...112-577Now: $898.95Was: $999.95 -
Holley Dominator EFI ECU Vehicle Management Systems 554-114
HOLLEY
$2,349.95Holley Dominator EFI ECU Vehicle Management Systems 554-114 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...554-114$2,349.95