Terminator 24x LS1 / LS6 w/ Drive-By-Wire & Transmission Control MPFI Kit #550-623

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  • $3,319.95
  • Regular price $3,688.95
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Get all the great features of Terminator self-tuning EFI in a bolt-on system for GM's popular LS engines! The 550-623 kit controls fuel, spark, drive-by-wire and 4L60/4L80E transmissions through the Terminator's new 3.5" touchscreen! Install, answer a few basic questions and drive. No laptop required!


  • For 1997 to 2007 4.8/5.3/6.0 truck engines with 24x crank reluctor, drive-by-wire and 4L60/4L80E transmissions
  • Kit includes everything you need to control your stock or mild LS
  • Bosch wideband oxygen sensor included
  • Controls fuel, spark, drive-by-wire, and 4L60/4L80E transmissions
  • Pre-calibrated for no-hassle installation and tuning
  • Fully adjustable through included 3.5” full color touchscreen


Brand Holley EFI
Crank Reluctor 24x
Emission Code 4
Injector Connector Multec 2
Product Type Terminator LS MPFI Kit
Terminator LS Options Fuel, Spark, Drive-by-Wire, Transmission
Part Number 550-623