IMSA Helmet Kit (Helmet Harness) Race Comms The Nerdie NASCAR System is

The Nerdie NASCAR System is a 3-conductor race communication system designed by a racer for racers

now from Hosa

NEXUS U-92A/U for lasting durability (M9177/3-1)

The Nerdie NASCAR helmet kit functions like a typical NASCAR helmet kit with two primary differences

EasyLink™ 5-pin connector allows use with most hand held radios

IMSA Helmet Kit (Helmet Harness) Race Comms The Nerdie NASCAR System isIMSA Helmet Kit (Helmet Harness) 4 Conductor Plug (Nexus Stlye) Slim line molded Y block and are pre wired for easy installation in any type of helmet. Designed for rugged use, durable polyurethane insulation provides strength, flexibility and abrasion resistance. Spiral shielding provides superior protection against radio frequency (RF) and electro magnetic (EM) interference.