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Holley Terminator LS TBI Kit with Transmission Control for LS1 LS6 & GM Truck 58x - Polished

550-421
Take control of your LS engine with Terminator LS TBI! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel strategies and the proven, race-winning technology of Holley EFI!

Get all the great features of Terminator Throttle Body Fuel Injection systems in a bolt-on system for GM's popular LS engines! These systems are designed specifically for LS engines with carbureted style intake manifolds. All kits include the popular Terminator EFI Throttle Body for fuel delivery into the intake plenum, as well as the necessary wiring to plug directly into the factory LS coil sub-harnesses and factory sensors.

Description

Specifications
For GM LS2/LS3 Engines and 2007-Current 4.8/5.3/6.0 Truck Engines with 58x crank reluctor and carbureted intake manifold
CFM: 950
Emission Code 3
Finish: Tumble Polished
Terminator LS Options: Fuel, Spark
Throttle Bore: 1.750 inch
Part Number: 550-423

Features:
Plug and play with factory sensors and coil sub-harnesses
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

Emissions
This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

1965 and older U.S. manufactured California Certified vehicles
1967 and older U.S. manufactured Federally Certified vehicles
1967 and older Foreign manufactured vehicle
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

The following vehicles are considered Emissions Controlled Vehicles:

1966 and newer U.S. manufactured California Certified vehicles
1968 and newer U.S. manufactured Federally Certified vehicles
1968 and newer Foreign manufactured vehicle

Shipping Information

  • Item Requires Shipping
  • 45.0 lbs.
  • W20.0000” x H16.0000” x L32.0000”
  • Free Basic Shipping

Documents

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