Holley EFI 550-406 - Terminator EFI 4bbl Throttle Body Fuel Injection System - Hard Core Gray

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 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!