Holley Terminator EFI 4BBL Throttle Body Fuel Injection System

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Terminator EFI 4bbl Throttle Body Fuel Injection System V8 4 bbl 950 cfm Range 250 To 600 HP


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!

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


  • Fully self-tuning ECU – no laptop required
  • Trouble-free performance with today’s fuels – put an end to vapor lock and fuel varnish problems
  • Terminator ECU can be EASILY be updated to Holley HP ECU specs with a free online software download – ECU can then be used for LSX, boosted, nitrous, and many other applications in the future as you desire
  • ECU fully potted and sealed for protection from vibration, dust and moisture
  • Provides ignition timing control on engines with Small Cap HEI and Ford TFI distributors (requires adapter)
  • 80 lb/hr injectors support 250-600 HP engines
  • Fits any square (Holley 4150) flanged intake
  • Connections for Ford, GM TH350 and 700R4, and other transmission linkages
  • Serviceable sensors integrated into throttle body and pre-wired for a simple one-click connection – don’t get stranded by competitive designs
  • Patent pending annular discharge fuel ring for maximum flow and optimum fuel atomization – no restrictions or delay in fuel flow like booster designs
  • 950 CFM Throttle Body with CFD computer designed air-entry area taken from Holley’s famous NASCAR® throttle body – as found on all NASCAR Sprint Cup Series™ cars
  • Virtually maintenance free – keeps your vehicle reliable and ready to drive
  • Self-tunes instantly to deliver the perfect air/fuel mixture in real time for optimized fuel economy and power

Select Finish Option from Drop-Down Menu Above.

Additional information

Finish Options

Tumble Polished, Hard Core Gray


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Installation Manual Click Here