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  • Terminator Stealth

    If you have been hesitant on switching to EFI because you like the traditional look of a carburetor? There is no more need to worry! Holley has you covered with the new Terminator Stealth Throttle Body Fuel injection System. Now you can have all of the benefits of EFI and maintain the traditional looks of a carburetor. Holley’s Terminator Stealth EFI systems have the same great self-tuning features of our Terminator EFI in a new stealthy package!

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  • Terminator LS EFI

    •Kit includes everything you need to control your stock or mild LS transplant engine<br>•Pre-calibrated for no-hassle installation and tuning<br>•Fully adjustable thru included 3.5” full color touchscreen
    •Available for 24x and 58x crank sensors<br>•Available for LS1/2/3/6 and 4.8/5.3 and 6.0 truck engines

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  • Fuel System Kits

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  • Terminator Service Parts

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Highlights

  • Easy to install
  • No computer experience required - hand-held tuner included - Simple multiple choice set-up wizard
  • Self-tunes while you drive
  • Upgradable to complete laptop control without buying another ECU
  • EFI kits from the fuel systems experts!

TBI kits, LS plug and play kits, and LS TBI kits available

Features

  • No laptop required - Simply bolt it on, feed it a few basic answers and let Terminator EFI take control of your ride
  • Carb-to-EFI conversion kits, GM LS direct replacement kits, and GM LS 4BBL TBI kits available
  • Kits available with additional 4L60E/4L80E transmission control capabilities
  • Self-tunes instantly to deliver the perfect air/fuel mixture in real time for optimized fuel economy and power
  • Virtually maintenance free - keeps your vehicle reliable and ready to drive
  • ECU fully potted and sealed for protection from vibration, dust and moisture
  • Terminator ECU can be EASILY updated to Holley “HP” ECU specs with a free online software download
  • ECU can then be used for boosted, nitrous, and many other applications in the future as you desire!
  • Industry leading tech support - free!
Hardware HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI
Connectors 2 2 6 4 -
Injector Drivers 8 8 12 8 8
Low Impedance Injector Drivers YES NO YES NO NO
Communication via USB Port YES NO YES NO NO
Communication via CAN adapter NO YES NO YES YES
Diagnostic LEDs NO YES NO YES NO
Knock Sensors 2 2 2 2 -
Enclosure Aluminum Composite Aluminum Composite -
Potted YES NO YES NO YES
Data Logging HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI
Internal & External External Only Internal & External External Only External Only
MAP Sensor HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI
External Only Internal 1 BAR, or External External Only Internal 1 BAR, or External Internal 2.5 BAR
Wideband Sensors HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI
1 1 2 1 1
Bosch 4.2 YES NO YES NO NO
NTK YES NO YES NO NO
Bosch 4.9 NO YES NO YES YES
Total Inputs (+12v, Gnd, 5v, Freq) HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI
4 4 50 4 Varies
+12v Yes Yes Yes Yes No
Ground Yes Yes Yes Yes 2
+5v Sensor Yes Yes Yes Yes 3* - SS Only
Frequency Yes Yes Yes Yes NO
Thermistor Yes NO Yes NO NO
+20v Yes NO Yes NO NO
Digital Speed NO NO Yes NO NO
Customizable Software Inputs 80 20 80 20 NO
A/C Shutdown Yes Yes Yes Yes NO
Total Outputs (Gnd, PWM-) HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI
4 4 36 4 Varies
+12v Yes NO Yes NO No
PWM+ Yes NO Yes NO No
Ground Yes Yes Yes Yes YES
PWM- Yes Yes Yes Yes YES
Customizable Software Outputs 62 20 62 20 NO
Dual Fans Yes Yes Yes Yes YES
Secondary Fuel Pump Yes Yes Yes Yes YES
IAC Kick Yes Yes Yes Yes YES
Non-Electronic Trans TCC Control Yes Yes Yes Yes NO
Load Sensing HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI
VE YES YES YES YES YES
Speed Density YES YES YES YES YES
Alpha-N YES YES YES YES NO
Combo YES YES YES YES NO
Boost Control HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI
MAP and Dome Control YES NO YES NO NO
Dome Control YES YES YES YES YES
Boost vs Time YES YES YES YES YES
Boost vs RPM YES YES YES YES YES
Boost vs Speed YES YES YES YES NO
Boost vs Gear YES YES YES YES NO
Boost Builder YES NO YES NO NO
Boost Safeties YES YES YES YES YES
Nitrous Stages HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI
Wet Non-Progressive 8 1 8 1 1
Wet Progressive 8 1 8 1 1
Dry Non Progressive 8 1 8 1 1
Dry Progressive 8 1 8 1 1
GPOs 8 1 8 1 NO
Rich/Lean Safeties YES YES YES YES YES
Closed Loop to New Target YES YES YES YES YES
Advanced Input Strategies YES NO YES NO NO
Advanced Tables HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI
1D 8 4 8 4 4
1D Per Gear 8 1 8 1 NO
2D 8 4 8 4 2
2D Per Gear 8 1 8 1 NO
Traction Control HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI
YES NO YES NO NO
Water/Meth HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI
YES NO YES NO NO
Staging Assist HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI
YES YES YES YES NO
Drive By Wire HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI
Single Throttle Body NO NO YES YES NO
Dual Throttle Body NO NO YES NO NO
Transmission Control HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI
GM 4L60/4L70/4L80 NO NO YES YES NO
Ford AODE/4R70W NO NO YES NO NO
Accessories HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI
7" Digital Dash YES YES YES YES YES
Pro-Dash YES YES YES YES YES
CAN Modules (VVT, etc) YES YES YES YES NO
Analog Gauges YES YES YES YES YES

Tech & Support

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    Terminator EFI

    An EFI System so easy and powerful you’ll think it’s alive!<br>Simply bolt it on, feed it a few basic answers and let Terminator EFI take control of your ride!