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

effective in-car communications the original Nerdie NASCAR System was developed

That's all the necessary wiring for the car and driver for only $150

IMSA Car Harness

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.