Holley EFI Ford Coyote Ti-VCT Main Harness for Holley EFI Smart Coils 2011-2014

Coyote Ti-VCT Main Harness for 2011-2014 Coyote Engines using Holley EFI Smart Coils and Stock Cam Shafts

PART# 558-122

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Designed to be used with Holley EFI Smart Coils – Part number 556-112


Introducing Coyote Twin Independent Variable Cam Timing Control from Holley EFI! Do you have a coyote crate engine going in your dream car? Is your weekend road race warrior powered by a coyote junkyard engine with locked cams? Unlock the full potential of your high revving power plant with the Holley EFI Plug and Play Coyote Ti-VCT Control Module.


  • Plug and Play Coyote Main Engine Harness
  • Connectors are labeled for easy identification
  • Terminated with Ford TPS and IAC Connectors for DBW to Cable Driven Throttle Body Conversions (99-04 Style Connectors)
  • Includes Power Tap Connector for additional powers and grounds for sensors or solenoids
  • Two CAN connectors for optional accessories, such as the Holley EFI Digital Dash (553-106)
  • Optional Fuel and Oil Pressure transducer connectors pre-terminated for datalogging or gauge monitoring


BrandHolley EFI
Emission Code3
Product TypeECU Assembly
Part Number558-122


This part is legal for use on Uncontrolled (Non-Emissions Controlled) Vehicles or Racing 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

Racing Vehicles are vehicles that are used exclusively for racing or other forms of competition that are not registered and that may never be used on the street.

Tech Resources

Designed to be used with Holley EFI Smart Coils – Part number 556-112
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      Some parts are not legal for use in California or other states with similar regulations.