Holley 550-623 Truck LS 24X MULTEC2 INJ

GM Engine Kits


Holley 550-623 Truck LS 24X MULTEC2 INJ

1997-2007 4.8/5.3/6.0 Truck Engines w/ 24x crank reluctor - w/ DRIVE-BY-WIRE & TRANSMISSION CONTROL, No Laptop Required, 3.5" Touchscreen Included

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

Crank Reluctor 24x
Emission Code 3
Injector Connector Multec 2
Product Type Terminator LS MPFI Kit
Terminator LS Options Fuel, Spark, Drive-by-Wire, Transmission

SKU: 1164

Price: $3,111.95
Sale Price: $2,799.95

Product Reviews Write A Review


No reviews yet, be the first to review this product!