Holley EFI- 550-617N 4v Modular Ford HP ECU & Harness Kit
Holley EFI- 550-617 HP EFI ECU & Harness for 99-04 Modular Ford
Holley EFI- 558-500 GM LS 24X Harness Kit
Holley EFI 558-508 Universal Ford V-8 Harness Kit
