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TERMINATOR X EFI
Take control of your engine with Terminator X! Don't settle for a factory 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 a budget-friendly price! Terminator X features real-time fuel learn, high impedance injector drivers, an integrated 1bar MAP sensor, and 4 programmable inputs and outputs. The inputs and outputs are ideal for electric fans, boost control solenoids, progressive nitrous control, and much more. Terminator X comes fully loaded with base maps for common V8 engine combinations to get you out of the garage and on the road/track fast. The 3.5" touch screen LCD handheld contains an easy to use calibration wizard as well as tuning and gauge display functions. Also included is Holley EFI's industry-leading, easy to use software suite that allows full laptop access for advanced users. Whether you are building a budget beater or a boosted race car, Terminator X has the features and technology you need at a price that won't break the bank!
Browse Terminator X EFI Kits Products
Description: HOLLEY EFI TERMINATOR X - 2003-2006 HEMI GEN III KIT
Item #: HOL/550-1222
Condition:
New
Limited Supply: Only 0 Left!
Estimated Ship Date: 8/14/2023
Price: $1,666.95
Description: HOLLEY EFI TERMINATOR X - 2003-2006 HEMI GEN III KIT
Item #: HOL/550-1223
Condition:
New
Limited Supply: Only 2 Left!
Estimated Ship Date: 8/14/2023
Price: $1,666.95
Description: HOLLEY EFI TERMINATOR X - 2007-2013+ HEMI GEN III KIT
Item #: HOL/550-1224
Condition:
New
Limited Supply: Only 0 Left!
Estimated Ship Date: 8/14/2023
Price: $1,666.95
Description: HOLLEY EFI TERMINATOR X - 2007-2013+ HEMI GEN III KIT
Item #: HOL/550-1225
Condition:
New
Limited Supply: Only 0 Left!
Estimated Ship Date: 8/14/2023
Price: $1,666.95
Description: HOLLEY EFI TERMINATOR X - 2011-2012 FORD COYOTE W/ TI-VCT
Item #: HOL/550-1210
Condition:
New
Limited Supply: Only 5 Left!
Estimated Ship Date: 9/14/2023
Price: $2,604.95
Description: HOLLEY EFI TERMINATOR X - 2011-2012 FORD COYOTE W/ TI-VCT
Item #: HOL/550-1211
Condition:
New
Limited Supply: Only 6 Left!
Estimated Ship Date: 9/14/2023
Price: $2,604.95
Description: HOLLEY EFI TERMINATOR X - 2013-2015 FORD COYOTE W/ TI-VCT
Item #: HOL/550-1213
Condition:
New
Estimated Ship Date: 9/14/2023
Price: $2,604.95
Description: HOLLEY EFI TERMINATOR X - 2013-2015 FORD COYOTE W/ TI-VCT
Item #: HOL/550-1212
Condition:
New
Estimated Ship Date: 9/14/2023
Price: $2,604.95
Description: HOLLEY EFI TERMINATOR X - 2015.5-2017 FORD COYOTE W/ TI-VCT
Item #: HOL/550-1215
Condition:
New
Limited Supply: Only 0 Left!
Estimated Ship Date: 9/14/2023
Price: $2,604.95
Description: HOLLEY EFI TERMINATOR X - 2015.5-2017 FORD COYOTE W/ TI-VCT
Item #: HOL/550-1214
Condition:
New
Limited Supply: Only 3 Left!
Estimated Ship Date: 9/14/2023
Price: $2,604.95
Description: HOLLEY EFI TERMINATOR X - FORD MOD MOTOR 2V KIT
Item #: HOL/550-1216
Condition:
New
Limited Supply: Only 9 Left!
Estimated Ship Date: 7/27/2023
Price: $1,666.95
Description: HOLLEY EFI TERMINATOR X - FORD MOD MOTOR 2V KIT
Item #: HOL/550-1217
Condition:
New
Limited Supply: Only 2 Left!
Estimated Ship Date: 8/14/2023
Price: $1,666.95
Description: HOLLEY EFI TERMINATOR X - FORD MOD MOTOR 2V/4V KIT
Item #: HOL/550-1220
Condition:
New
Limited Supply: Only 3 Left!
Estimated Ship Date: 8/14/2023
Price: $1,666.95
Description: HOLLEY EFI TERMINATOR X - FORD MOD MOTOR 2V/4V KIT
Item #: HOL/550-1221
Condition:
New
Limited Supply: Only 2 Left!
Estimated Ship Date: 8/14/2023
Price: $1,666.95
Description: HOLLEY EFI TERMINATOR X - FORD MOD MOTOR 4V KIT
Item #: HOL/550-1218
Condition:
New
Limited Supply: Only 3 Left!
Estimated Ship Date: 8/14/2023
Price: $1,666.95
Description: HOLLEY EFI TERMINATOR X - FORD MOD MOTOR 4V KIT
Item #: HOL/550-1219
Condition:
New
Estimated Ship Date: 8/14/2023
Price: $1,666.95
Description: HOLLEY EFI TERMINATOR X - FORD MPFI KIT
Item #: HOL/550-937
Condition:
New
Estimated Ship Date: 8/17/2023
Price: $1,301.95
Description: HOLLEY EFI TERMINATOR X - GEN III 4.8/5.3/6.0 GM TRUCK ENGINES
Item #: HOL/550-904
Condition:
New
Estimated Ship Date: 8/17/2023
Price: $1,301.95
Description: HOLLEY EFI TERMINATOR X - GEN III 4.8/5.3/6.0 GM TRUCK ENGINES
Item #: HOL/550-904T
Condition:
New
Estimated Ship Date: 8/17/2023
Price: $1,249.95
Description: HOLLEY EFI TERMINATOR X - GEN IV 4.8/5.3/6.0 GM TRUCK ENGINES AND LS2/LS3
Item #: HOL/550-905
Condition:
New
Estimated Ship Date: 8/17/2023
Price: $1,301.95
Description: HOLLEY EFI TERMINATOR X - GEN IV 4.8/5.3/6.0 GM TRUCK ENGINES AND LS2/LS3
Item #: HOL/550-905T
Condition:
New
Estimated Ship Date: 8/17/2023
Price: $1,249.95
Description: HOLLEY EFI TERMINATOR X - GEN IV 4.8/5.3/6.0 GM TRUCK ENGINES AND LS2/LS3
Item #: HOL/550-910
Condition:
New
Estimated Ship Date: 8/17/2023
Price: $1,301.95
Description: HOLLEY EFI TERMINATOR X - GEN IV 4.8/5.3/6.0 GM TRUCK ENGINES AND LS2/LS3
Item #: HOL/550-910T
Condition:
New
Estimated Ship Date: 8/17/2023
Price: $1,249.95
Description: HOLLEY EFI TERMINATOR X - GM LS1/LS6
Item #: HOL/550-903
Condition:
New
Estimated Ship Date: 9/14/2023
Price: $1,301.95
Description: HOLLEY EFI TERMINATOR X - GM LS1/LS6
Item #: HOL/550-903T
Condition:
New
Estimated Ship Date: 8/17/2023
Price: $1,249.95
Description: HOLLEY EFI TERMINATOR X - GM LS1/LS6
Item #: HOL/550-909
Condition:
New
Estimated Ship Date: 8/17/2023
Price: $1,301.95
Description: HOLLEY EFI TERMINATOR X - GM LS1/LS6
Item #: HOL/550-909T
Condition:
New
Estimated Ship Date: 8/17/2023
Price: $1,249.95
Description: HOLLEY EFI TERMINATOR X GM GEN V LT DIRECT INJECTION KIT - EARLY
Item #: HOL/550-1600
Condition:
New
Estimated Ship Date: 8/14/2023
Price: $2,708.95
Description: HOLLEY EFI TERMINATOR X GM GEN V LT DIRECT INJECTION KIT - LATE
Item #: HOL/550-1601
Condition:
New
Limited Supply: Only 0 Left!
Estimated Ship Date: 8/14/2023
Price: $2,708.95
Description: HOLLEY EFI TERMINATOR X MAX - 2003-2006 GEN III HEMI
Item #: HOL/550-1420
Condition:
New
Limited Supply: Only 1 Left!
Estimated Ship Date: 8/14/2023
Price: $1,979.95
Description: HOLLEY EFI TERMINATOR X MAX - 2003-2006 GEN III HEMI
Item #: HOL/550-1421
Condition:
New
Limited Supply: Only 1 Left!
Estimated Ship Date: 8/14/2023
Price: $1,979.95
Description: HOLLEY EFI TERMINATOR X MAX - 2007-2012 GEN III HEMI
Item #: HOL/550-1423
Condition:
New
Limited Supply: Only 0 Left!
Estimated Ship Date: 8/14/2023
Price: $1,979.95
Description: HOLLEY EFI TERMINATOR X MAX - 2007-2012 GEN III HEMI
Item #: HOL/550-1422
Condition:
New
Limited Supply: Only 0 Left!
Estimated Ship Date: 8/14/2023
Price: $1,979.95
Description: HOLLEY EFI TERMINATOR X MAX - 2011-2012 FORD COYOTE W/ TI- VCT
Item #: HOL/550-1311
Condition:
New
Limited Supply: Only 0 Left!
Estimated Ship Date: 8/14/2023
Price: $2,831.95
Description: HOLLEY EFI TERMINATOR X MAX - 2011-2012 FORD COYOTE W/ TI- VCT
Item #: HOL/550-1408
Condition:
New
Limited Supply: Only 0 Left!
Estimated Ship Date: 8/14/2023
Price: $2,831.95
Description: HOLLEY EFI TERMINATOR X MAX - 2011-2012 FORD COYOTE W/ TI- VCT
Item #: HOL/550-1409
Condition:
New
Limited Supply: Only 9 Left!
Estimated Ship Date: 8/14/2023
Price: $2,831.95
Description: HOLLEY EFI TERMINATOR X MAX - 2011-2012 FORD COYOTE W/ TI- VCT
Item #: HOL/550-1507
Condition:
New
Limited Supply: Only 0 Left!
Estimated Ship Date: 8/14/2023
Price: $2,929.95
Description: HOLLEY EFI TERMINATOR X MAX - 2011-2012 FORD COYOTE W/ TI- VCT
Item #: HOL/550-1508
Condition:
New
Limited Supply: Only 6 Left!
Estimated Ship Date: 8/14/2023
Price: $2,929.95
Description: HOLLEY EFI TERMINATOR X MAX - 2011-2012 FORD COYOTE W/ TI- VCT
Item #: HOL/550-1310
Condition:
New
Limited Supply: Only 0 Left!
Estimated Ship Date: 8/14/2023
Price: $2,831.95
Description: HOLLEY EFI TERMINATOR X MAX - 2013+ GEN III HEMI
Item #: HOL/550-1424
Condition:
New
Limited Supply: Only 0 Left!
Estimated Ship Date: 8/14/2023
Price: $1,979.95
Description: HOLLEY EFI TERMINATOR X MAX - 2013+ GEN III HEMI
Item #: HOL/550-1425
Condition:
New
Limited Supply: Only 0 Left!
Estimated Ship Date: 8/14/2023
Price: $1,979.95
Description: HOLLEY EFI TERMINATOR X MAX - 2013-2015 FORD COYOTE W/ TI- VCT
Item #: HOL/550-1410
Condition:
New
Limited Supply: Only 0 Left!
Estimated Ship Date: 8/14/2023
Price: $2,831.95
Description: HOLLEY EFI TERMINATOR X MAX - 2013-2015 FORD COYOTE W/ TI- VCT
Item #: HOL/550-1411
Condition:
New
Estimated Ship Date: 8/14/2023
Price: $2,831.95
Description: HOLLEY EFI TERMINATOR X MAX - 2013-2015 FORD COYOTE W/ TI- VCT
Item #: HOL/550-1509
Condition:
New
Limited Supply: Only 0 Left!
Estimated Ship Date: 8/14/2023
Price: $2,929.95
Description: HOLLEY EFI TERMINATOR X MAX - 2013-2015 FORD COYOTE W/ TI- VCT
Item #: HOL/550-1510
Condition:
New
Estimated Ship Date: 8/14/2023
Price: $2,929.95
Description: HOLLEY EFI TERMINATOR X MAX - 2013-2015 FORD COYOTE W/ TI- VCT
Item #: HOL/550-1313
Condition:
New
Estimated Ship Date: 8/14/2023
Price: $2,831.95
Description: HOLLEY EFI TERMINATOR X MAX - 2013-2015 FORD COYOTE W/ TI- VCT
Item #: HOL/550-1312
Condition:
New
Estimated Ship Date: 8/14/2023
Price: $2,708.95
Description: HOLLEY EFI TERMINATOR X MAX - 2015.5-2017 FORD COYOTE W/ TI- VCT
Item #: HOL/550-1314
Condition:
New
Limited Supply: Only 0 Left!
Estimated Ship Date: 8/14/2023
Price: $2,831.95
Description: HOLLEY EFI TERMINATOR X MAX - 2015.5-2017 FORD COYOTE W/ TI- VCT
Item #: HOL/550-1315
Condition:
New
Limited Supply: Only 0 Left!
Estimated Ship Date: 8/14/2023
Price: $2,831.95
Description: HOLLEY EFI TERMINATOR X MAX - 2015.5-2017 FORD COYOTE W/ TI- VCT
Item #: HOL/550-1412
Condition:
New
Limited Supply: Only 0 Left!
Estimated Ship Date: 8/14/2023
Price: $2,831.95
Description: HOLLEY EFI TERMINATOR X MAX - 2015.5-2017 FORD COYOTE W/ TI- VCT
Item #: HOL/550-1413
Condition:
New
Limited Supply: Only 0 Left!
Estimated Ship Date: 8/14/2023
Price: $2,831.95
Description: HOLLEY EFI TERMINATOR X MAX - 2015.5-2017 FORD COYOTE W/ TI- VCT
Item #: HOL/550-1511
Condition:
New
Limited Supply: Only 0 Left!
Estimated Ship Date: 8/14/2023
Price: $2,929.95
Description: HOLLEY EFI TERMINATOR X MAX - 2015.5-2017 FORD COYOTE W/ TI- VCT
Item #: HOL/550-1512
Condition:
New
Limited Supply: Only 3 Left!
Estimated Ship Date: 8/14/2023
Price: $2,929.95
Description: HOLLEY EFI TERMINATOR X MAX - 2V FORD MOD MOTOR
Item #: HOL/550-1316
Condition:
New
Limited Supply: Only 4 Left!
Estimated Ship Date: 8/14/2023
Price: $1,979.95
Description: HOLLEY EFI TERMINATOR X MAX - 2V FORD MOD MOTOR
Item #: HOL/550-1317
Condition:
New
Estimated Ship Date: 8/14/2023
Price: $1,979.95
Description: HOLLEY EFI TERMINATOR X MAX - 4V FORD MOD MOTOR
Item #: HOL/550-1318
Condition:
New
Limited Supply: Only 2 Left!
Estimated Ship Date: 8/14/2023
Price: $1,979.95
Description: TERM X MAX,MOD 4V,STOCK COILS,EV6,TRANS
Item #: HOL/550-1319
Condition:
New
Limited Supply: Only 2 Left!
Estimated Ship Date: 8/14/2023
Price: $1,979.95
Description: HOLLEY EFI TERMINATOR X MAX - FORD MPFI KIT
Item #: HOL/550-943
Condition:
New
Estimated Ship Date: 8/17/2023
Price: $1,666.95
Description: HOLLEY EFI TERMINATOR X MAX - FORD MPFI KIT
Item #: HOL/550-944
Condition:
New
Estimated Ship Date: 8/17/2023
Price: $1,666.95
Description: HOLLEY EFI TERMINATOR X MAX - FORD MPFI KIT
Item #: HOL/550-945
Condition:
New
Estimated Ship Date: 8/17/2023
Price: $1,666.95
More About Terminator X EFI Kits
Standalone Engine Management, at a budget price. Plug and Play with most domestic V8 Engines!
- Plug and play Domestic V8 engine control, such as conventional push rod Chevrolet and Chrysler engines.
- Includes EV1 Injector Harness
- GM 4L60E/80E Transmission Control Harness (Terminator X Max Only)
- High Impedance Injector Drivers will safely power most Stock injectors, and Holley EFI Injectors. Injector support chart provided in the instructions (Will not control Low Impedance Injectors)
- Bosch LSU 4.9 wideband to relay AFR information to the ECU for accurate reading and precise tuning control.
- Built in 1bar MAP Sensor, vacuum hose adapters included (1/8th – ¼ and 3/16ths) - or for Boosted applications, you can disable the internal MAP sensor, and utilize an external MAP Sensor, the harness comes with the connector terminated, making the install
- MAP Sensor vacuum hose adapters (1/8th – ¼ and 3/16ths)
- Plug and plug ignition capability with Dual Sync and HyperSpark Distributors, adapter 558-323 required for HyperSpark Distributors.
- 4 Inputs – 12v, Ground, 5v, and Frequency, for things such as additional pressure sensors, or activation triggers for nitrous activation, or a trans brake
- Boost Control – Boost vs Time, Boost vs Gear, Boost vs RPM, Boost vs Speed, Boost Safeties
- Nitrous Control – Single Channel of Wet or Dry, Progressive or Non-Progressive, Rich/Lean Safeties, and target Closed Loop AFR
- Advanced Tables – 4x 1D Tables, 1x 1D per Gear Table, 4x 2D Tables, 1x 2D per Gear Table, can be used for any custom tables you can dream up, such as Flex Fuel Sensor Offset Table, or a custom fuel or oil pressure safety!
- On-Board Diagnostic LEDS for: ECU Power – Engine Run – Wideband Status – TPS Calibration – Crank Signal –Cam Signal. Allow you to identify any Critical engine issues at a glance
- The included 3.5" Touchscreen Handheld contains a calibration wizard, that allows you to quickly build a base tune for any domestic V8 engine. Additionally the handheld provides internal data-logging and a fully customizable gauge display.
- The compact ECU size allows you to mount it virtually anywhere. Remember, diagnostic LEDS must face up!
- Plug and play compatible with more Holley EFI accessories such as; analog style gauges, shift lights, various modules, and coming soon, 12.3" digital dash support!
- Free EFI Tuning Software for complete control of your Terminator X power plant