NASCAR Helmet Kit IMSA Spiral shielding provides superior protection

Spiral shielding provides superior protection against radio frequency (RF) and electro-magnetic (EM) interference

Please contact us if you plan to use the Nerdie Helmet kit without a Nerdie car harness

Rean connectors and heavy gauge fully shielded wiring

the microphone impedence and style does not always allow for the same universal interchangeability with a standard NASCAR helmet kit

NASCAR Helmet Kit IMSA Spiral shielding provides superior protectionNASCAR Helmet Kit (Helmet Harness) Tough Molded Red 3 Conductor plug (1 4" Stereo Plug) Shield Cable blocks RF Molded Y block 1 8" earphone jack (mono jack for earbuds or speakers) Noise Cancelling Microphone Cloth Microphone Cover Helmet kits offer clear communications and easy installation. Noise cancelling mics provide clear communications. Use with the following: Mono Earbuds or Helmet Speakers