PCI's most popular helmet kit for Road Racing, Go Karts, SCCA and Club Racing. Complete with Flexible boom, 150 ohm dynamic microphone and 1/8" (3.5mm) Ear Bud Jack.
- 4 Conductor Plug
- Mic Sock and O Ring Included
- Highest Quality in the industry
- Full Warranty against manufacturer defect!
Superseded Part #'s 974