PCI Race Radios Maglock RaceAir Kit The Maglock features a magnetic quick connect/disconnect mechanism designed specifically for RaceAir. Ditch the duct tape and zip ties the innovative MagLock technology ensures an air-tight seal capable of withstanding 20lbs of force. Features: Maglock RaceAir Kit only (helmet and hose sold separately) Safety break away in an emergency extract Positive worry free connection Faster driver changes Patent pending technology Sold each