Terminator EFI

Hem / Holley EFI /

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

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A System So Easy and Powerful You'll Think It's Alive!


  • 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

From NASCAR® to Your Car!

TBI kits feature the same throttle body air entry area design that powers every NASCAR Sprint Cup Series™ car!


  • 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!


Jämförelsetabell EFI-system (öppnas i nytt fönster)


How To Upgrade Your Outdated ECU To Modern EFI - 06/15/2021

There are probably thousands of small-block Chevys running wild on the streets right now with an antiquated factory TPI system ECU. We’re talking computers with removable chips! An equally large number of small- and big-block engines are likely limping around on outdated and inefficient aftermarket fuel injection systems just begging for a more efficient way to manage spark and fuel. - Read More

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Terminator EFI Throttle Body Injection System for GM LS Engines

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