IMSA Helmet Kit (Helmet Harness) IMSA Designed for rugged use

Designed for rugged use

just add your radios

the harness can easily be plugged into directly as a form of back-up redundancy

1 Hosa Coiled Extension Cord

The 2015 Nerdie NASCAR System is a new evolution of the original system improving on the features with a larger inline PTT and longer PTT and helmet leads now 6' past the inline PTT

IMSA Helmet Kit (Helmet Harness) IMSA Designed for rugged useIMSA 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.