ARB Airlocker Dana44 30Spl 3.92&Up S/N.

Air locker locking differentials allow you to tackle the toughest terrain. The worlds premier traction aid, ARB air lockers keep you moving in all conditions.A complete air locker kit: replacement differential, activation switch, solenoid valve, air line and bulkhead fittings.WarrantyInstallation InstructionsInstallation InstructionsProduct Specifications SheetThis Part Fits: Year Make Model Submodel 1969-1974 Chevrolet Blazer Base 1975-1980 Chevrolet K10 Cheyenne 1975-1980 Chevrolet K10 Custom Deluxe 1975-1980 Chevrolet K10 Scottsdale 1975-1980 Chevrolet K10 Silverado 1969-1974 Chevrolet K10 Pickup Base 1968-1974 Chevrolet K10 Suburban Base 1975-1980 Chevrolet K10 Suburban Custom Deluxe 1975-1980 Chevrolet K10 Suburban Scottsdale 1975-1977,1979-1980 Chevrolet K10 Suburban Silverado 1975-1980 Chevrolet K20 Cheyenne 1975-1980 Chevrolet K20 Custom Deluxe 1975-1980 Chevrolet K20 Scottsdale 1975-1980 Chevrolet K20 Silverado 1969-1974 Chevrolet K20 Pickup Base