Nerdie NASCAR System Race Communications These helmet kits are handmade

These helmet kits are handmade from scratch here in the USA

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

In order to play more nicely with the other race comms

to run between the harness and driver providing much better driver flexibility as well and preventing shock loads to the main harness

Supports IMSA helmet kits with IMSA-to-NASCAR adapter

Nerdie NASCAR System Race Communications These helmet kits are handmadeThe Nerdie NASCAR System is a 3 conductor race communication system designed by a racer for racers, just add your radios. The 2015 Nerdie NASCAR System includes: 1 2015 Nerdie NASCAR Car Harness 1 Push To Talk (PTT) 1 Hosa Coiled Extension Cord 1 Nerdie NASCAR Helmet Kit As an added bonus, a free pair of stereo earbuds while supplies last. That's all the necessary wiring for the car and driver for only $150. 00! Up to 5 additional helmet kits for $25.