Holley Terminator LS MPFI Kit 550-608

Item #22797

Made in the USA
Holley Terminator LS MPFI Kit 550-608
GM LS1/LS6 Engines with 24x crank reluctor, No Laptop Required, 3.5" Touchscreen Included
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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 550-608 kit controls fuel and spark through the Terminator's new 3.5" touchscreen! Install, answer a few basic questions and drive. No laptop required!


  • For GM LS1/LS6 engines with 24x crank reluctor
  • Kit includes everything you need to control your stock or mild LS
  • Bosch wideband oxygen sensor included
  • Controls fuel and spark
  • Pre-calibrated for no-hassle installation and tuning
  • Fully adjustable through included 3.5” full color touchscreen


(1) Holley Terminator LS MPFI Kit 550-608


Brand: Holley EFI
Crank Reluctor: 24x
Emission Code: 4
Injector Connector: Jetronic / Minitimer
Product Type: Terminator LS MPFI Kit
Terminator LS Options: Fuel, Spark
Part Number: 550-608

This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

• Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle


1 Year Manufacturers Warranty

Eastwood Offers Free Lifetime Technical Support

Click here for product SDS information

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