Arb RD121 ARB Air Lockers engine-clutch-components-baskets which makes the RZMASK very

which makes the RZMASK very comfortable for hours of use

2010-2011 Arctic Cat 150 2x4

1990-1995 Kawasaki VN1500A Vulcan 88

1984-1985 Harley Davidson FLH Electra Glide

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Arb RD121 ARB Air Lockers engine-clutch-components-baskets which makes the RZMASK veryThe world's premier traction aid, an ARB Air Locker(TM) keep you moving in all conditions. With the flick of the switch an Air Locker gives instant lock at any moment and its super strong design allows activation at any speed allowing you to tackle the toughest terrain. The advantage of the Air Locker lies in the pneumatically operated locking system inside the differential. When activated, the Air Locker prevents the internal differential gears from