The Holley EFI Terminator LS MPFI Kit brings self-tuning EFI control to GM's LS2/LS3 engines and 2007-and-later 4.8/5.3/6.0 truck engines. The 550-613 kit adds drive-by-wire throttle control and 4L60E/4L80E transmission control on top of fuel and spark, all through Terminator's 3.5" touchscreen — no laptop required.
Key Features:
- Self-tuning EFI system for GM LS2/LS3 and 2007+ 4.8/5.3/6.0 truck engines with 58x crank reluctor
- Controls fuel, spark, drive-by-wire throttle, and 4L60E/4L80E transmissions
- Includes everything needed to control a stock or mildly modified LS engine
- Bosch wideband oxygen sensor included
- Pre-calibrated for no-hassle installation and tuning
- Fully adjustable through the included 3.5" full-color touchscreen handheld
- No laptop required for setup or tuning
Specifications:
- Engine Platform: GM LS2/LS3 and 2007+ 4.8/5.3/6.0 truck engines
- Crank Reluctor: 58x
- Injector Connector: USCAR (EV6)
- Handheld Included: Yes, 3.5" touchscreen
- Control Options: Fuel, Spark, Drive-by-Wire, Transmission
- Color: Black
- Part Number: 550-613
Not recommended for 4x4 applications with electronic transfer cases. Not compatible with 4L6X transmissions from model year 1995 or earlier due to year-by-year differences in converter lockup and downshift strategy.
FAQ
Does this kit control the transmission?
Yes. The 550-613 kit adds control for 4L60E/4L80E transmissions in addition to fuel, spark, and drive-by-wire throttle.
What engines is this kit designed for?
It fits GM LS2/LS3 engines and 2007-and-later 4.8/5.3/6.0 truck engines with a 58x crank reluctor.
Is this kit compatible with 4x4 trucks?
It's not recommended for 4x4 applications that use an electronic transfer case.
What transmissions is this kit not compatible with?
It's not compatible with 4L6X transmissions from model year 1995 or earlier, due to differences in converter lockup and downshift strategy across those years.
Does this kit require a laptop to set up?
No. It's configured and tuned through the included 3.5" touchscreen handheld.
