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!

FEATURES:

• 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
• Industry leading tech support - free!

Product Reviews for HO550-405 - HOLLEY