A System so easy and powerful you'll think it's alive!
- 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
- Kits available with additional 4L60E/4L80E transmission control capabilities
- 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!
Perfect for Street Machines, Off Road Vehicles, Trucks, RVs & Weekend Racers!
- Serviceable sensors integrated into throttle body and pre-wired for simple hookup
- Exclusive CFD computer modeled air entry area delivers maximum velocity and accelerated air speed
- Patent Pending annular discharge fuel ring for optimum fuel atomization - plus no air restrictions or delay in fuel flow like booster designs
From NASCAR® to Your Car!The same throttle body air entry area design that powers every NASCAR Sprint Cup Series™ car!
- 4-barrel carburetor to fuel injection conversion kits for 250-600 HP V8 engines
- No laptop required
- Fits any square (Holley 4150™) flanged intake
- Self-tunes while you drive
- 950 CFM Throttle Body with CFD computer designed venturi taken from Holley’s NASCAR® throttle body
- 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
- Virtually maintenance free - keeps your vehicle reliable and ready to drive
- Patent pending annular discharge fuel ring for maximum flow and optimum fuel atomization - No restrictions or delay in fuel flow like booster designs
- Trouble-free performance with today’s fuels –eliminate vapor lock and fuel varnish problems
- Serviceable sensors integrated into throttle body and pre-wired for a simple one-click connection - don’t get stranded by competitive designs
- 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 LSX, boosted, nitrous, and many other applications in the future as you desire!
- Trouble-free performance with today’s fuels - put an end to vapor lock and fuel varnish problems!
- Industry leading tech support - free!
Available in Tumble Polished and Hard Core Gray™ finishes.
Compare The Facts
If you are going to spend the money to update your ride to EFI, spend it on a system that can grow with you in the future. Whether you stick a turbocharged LSX engine between your frame rails, or put nitrous on your big block, the Terminator™ ECU can grow with you, unlike the competition where you are stuck with an entry level ECU.
|ECU Comparison||Terminator||Atomic||Fast EZ|
|Can be laptop accessed for expanded tuning options||Yes||No||No|
|Can control LSx engines*||Yes||No||No|
|Can control turbo or supercharged engines*||Yes||Yes||No|
|Internal data-logging and many other features*||Yes||No||No|
|20+ years EFI design experience||Yes||No||No|
|Designed to grow with your combination as it changes||Yes||No||No|
|Most advanced electronics - quicker tuning, better drivability and expandable options for advanced users||Yes||No||No|
|Throttle Body Comparison||Terminator||Atomic||Fast EZ|
|Free flowing (non-restrictive) throttle body air entry||Yes||No||Yes|
|Readily available, serviceable, OEM type sensors||Yes||No||Yes|
|Integrated lever provisions for Ford C4/6 and 200/700r4 kick down||Yes||No||No|
|Nascar® inspired, CFD designed air entries & distinctive hard core styling||Yes||No||No|
|Multiple finishes available (hard core gray and tumble polished)||Yes||No||No|
|Patent pending "annular fuel rings" eliminate "dripping"||Yes||No||No|
|Hardware Comparison||Terminator||Atomic||Fast EZ|
|Optional AN fuel plumbing||Yes||No||Yes|
|Widest selection of fuel pump and plumbing kits||Yes||No||No|
|Programmer Comparison||Terminator||Atomic||Fast EZ|
|Full color graphic display||Yes||No||No|
|Advanced tuning capability thru handheld||Yes||No||No|
|Timing control thru handheld||Yes||Yes||No|
|Miscellaneous Features||Terminator||Atomic||Fast EZ|
|EFI throttle body supplier to NASCAR Sprint Cup Series™ teams||Yes||No||No|
|A leader in EFI systems, fuel pumps and plumbing||Yes||No||No|
|Typical installation time||6-8 hrs||6-8 hrs||6-8 hrs|
|Optional gauges available||Yes||No||No|
|Optional full color 5.7" Touchscreen available||Yes||No||No|
All trademarks are property of their respective owners
"We chose the Terminator EFI for our ’65 GTO project for its easy start-up, reliability and forget about it approach to driving the car. Now you just get in and go just like a new car!"
- Jesse Greening
2 Time Riddler Award Winning Car Builder
Tech & Support
Tech & Support Documents
Browse our technical documentation and downloads for information on Terminator EFI.
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.)
Back To Top