Connect IMSA Helmet Kit to OFFROAD jack using this adapter cable. Simply connect the black plug into your IMSA helmet comms jack and the blue plug into a OFFROAD style cable and you're ready to race.
Black --> IMSA 4C Wired Helmet
Blue --> OFFROAD Radio Harness
Looking for an OFFROAD to IMSA Adapter? Use the OFFROAD to IMSA Adapter
