Racing Radios 4/C IMSA style straight cord helmet kit gives the driver slightly less movement and reduced weight with their helmet in the car than...

Racing Radios 4/C IMSA style straight cord helmet kit gives the driver slightly less movement and reduced weight with their helmet in the car than the coiled version.  Comes with 3.5mm earpiece connection, and their top-of-the-line noise canceling flexible microphone.