A cleaner wiring job starts here The ARC SIM-8 Series brings all of your sensor connections into one convenient hub, reducing clutter while keeping your ECU wiring organized and running smoothly! Choose the standard SIM-8 or the SIM-8-ECU with 4 ECU-controlled (ground-activated) relays to fit your setup. #TeamARC #Motorsports #RacingPerformance #RacingTech