Hyperaktive Performance Solutions

Holley EFI ECU with Main Power Harness

Choose either a Holley EFI Dominator or HP ECU with the required Main Power Harness!

554-113 Holley HP EFI ECU + 558-308 Holley Main Power Harness
OR
554-114 Holley Dominator EFI ECU + 558-308 Holley Main Power Harness