For use with Holley® HP and Dominator ECUs and other EFI systems


This coil is designed for use with Holley® HP and Dominator ECUs, as well other EFI systems that can drive "smart" ignition coils. Although it is designed for high powered race applications, it can be used on street driven vehicles as well.


  • Peak Voltage – 44,000 Volts
  • Peak Output – 102 Mj
  • Maximum Battery Voltage 17.0 Volts
  • Includes mating connector and pins


SKU: 556-112
  • Brand Holley EFI
    Emission Code 4
    Height 1.86"
    Ignition Wire Terminal Type HEI Style Tower
    Mounting Bolt Pattern 74mm
    Overall Length 4.3"
    Product Type Distrutorless Ignition - DIS - smart coil
    Width 3.6"
    Part Number 556-112
  • 4


    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 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