Holley EFI

Holley EFI 558-455 2009+ GM 4L60E Transmission Control Harness

Compatible with 2009-Up GM 4L60E Transmissions

Part # 558-455 Be the first to write a review
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3

Emissions

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

See Emissions Details
Expanding on Holley's Transmission Control options from Holley EFI. This new harness 558-455 from Holley EFI provides plug and play transmission control for the 2009+ GM 4L60 when used with a Dominator ECU. The 2009+ GM 4L60E contains an internal turbine speed sensor, which was not on the previous model year transmissions. Additionally, the valve body range selector is wired and controlled differently from the ECU.

Features:

  • Built in Relay - Must be wired to a switched 12v source.
  • Plug and play with 2009+ GM 4L60E Transmissions
Brand Holley EFI
Emission Code3
Product TypeTransmission Control Harnesses
UPC090127048092
Manufacturer Part Number558-455
Part Number558-455
3

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
Requires software version 5.0 build 100 or higher and ECU firmware 5.0 build 110 or higher
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    Some parts are not legal for use in California or other states with similar regulations.