Highlights
- 950 CFM 4BBL throttle body fuel injection for 250-600 horsepower V8 engines
- 4150 style 4BBL mounting flange - Bolts on in place of a carburetor
- 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
- Upgradable to complete laptop control without buying another ECU
- Master kits available with complete fuel system including fuel pump, filters, 40ft. of hose, billet regulator, and fittings - A complete carb-to-EFI conversion kit in a single box
- Available in tumble polished and Hard Core Gray™ finishes
- Carburetor replacement EFI from the fuel systems experts!
Now you can have all of the benefits of EFI and maintain the traditional looks of a carburetor.

Features
- 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
- Fits any square (Holley 4150™) flanged intake
- 80 lb/hr injectors (@ 43 PSI)
- Connections for Ford, GM TH350 and 700R4, and other transmission linkages
- Provides ignition timing control on engines with GM Computer-Controlled Small Cap HEI and Ford TFI distributors (requires adapter)
- Self-tunes to deliver the perfect air/fuel mixture in real time for optimized fuel economy and power
- 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
- ECU fully potted and sealed for protection from vibration, dust and moisture
- Virtually maintenance free - keeps your vehicle reliable and ready to drive
- ECU can then be used for LSX, boosted, nitrous, and many other applications in the future as you desire!
- Terminator ECU can be EASILY updated to Holley “HP” ECU specs with a free online software download.
- Trouble-free performance with today’s fuels –eliminate vapor lock and fuel varnish problems
- Carburetor replacement EFI from the fuel systems experts!
- Industry leading tech support - free!
Tech & Support
Tech & Support Documents
Browse our technical documentation and downloads for information on Terminator EFI.
Tech Videos
Watch out instructional videos on Terminator EFI.
Frequently Asked Questions
Be sure and visit our frequently asked questions section for quick answers.
Update Terminator EFI Software
Learn how to download and update your Terminator EFI software.
Certified Holley EFI Dealers
Do you need a custom kit built for your application? Do you need a system installed and tuned? Click here to find the Certified Holley EFI dealer in your area! (All Certified EFI Dealers are factory trained.)
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