This fully terminated ignition harness connects ferrous crank and magnetic cam Hall Effect sensors to Holley HP and Dominator ECUs. It's plug-and-play with Holley's crank and cam sensor lineup, simplifying a sensor-side wiring install.
Specifications:
- Application: Universal
- Harness Type: Ignition, Crank/Cam
- Compatible ECUs: HP EFI, Dominator EFI
- Plug-and-Play With: 554-118 (Hall Effect crank trigger sensor), 554-124 (ferrous target crank sensor), 554-125 (flying magnet camshaft sensor), 554-127 (camshaft sensor w/ flying magnet target), 556-114 (BBC cam sync kit w/bracket), 556-119 (SBC cam sync kit w/bracket)
- Termination: Fully terminated, plug-and-play
- Part Number: 558-431
Compliance: This part is legal for sale and use on Racing Use Only Vehicles — competition vehicles that are not registered and never operated on the street. It is against the law to install this part on an Emissions Controlled Vehicle (1966-and-newer California-certified or 1968-and-newer federally certified vehicles).
FAQ
What sensor types does this harness support?
It's built for ferrous crank sensors and magnetic cam Hall Effect sensors.
Which ECUs is this compatible with?
Holley HP EFI and Dominator EFI ECUs.
Which Holley sensors is this harness plug-and-play with?
554-118, 554-124, 554-125, 554-127, and the 556-114/556-119 cam sync kits with brackets.
Is this street legal?
No, it's legal for Racing Use Only vehicles and can't be installed on emissions-controlled street vehicles.
