Rugged Radios Single Seat Kit - Digital Radio - Helmet Kit 600080139 1 - 2" Width -

1 - 2" Width - Pull Down Adjust - Black SB260020 at low everyday prices

and with the by-pass valve open

They may reduce engine and solar heat transfer by 30F or more and sound transfer by 12 decibels or more

Kit includes solenoid valve

Rugged Radios Single Seat Kit - Digital Radio - Helmet Kit 600080139 1 - 2" Width -This single seat package features a powerful digital mobile radio for the ultimate performance on any track where radio power and distance is critical. Built for short course, sand rails, sand cars, trophy kart, UTV, mega truck, and offroad racing. As the driver, this kit allows you to transmit via PTT (Push to Talk) to your crew chief, mechanic, support team or base camp. The M1 mobile radio works with all digital and analog VHF radios, and all DMR