ARB Air Locker selectable differential lockers for Toyota, Jeep, Ford, GM, Dodge/Ram and Nissan axles.
Each Air Locker is matched to an axle (for example Dana 44 M210/M220, Ford 8.8in or 9in, GM 10 and 14 bolt, Toyota 7.5in IFS), ring gear size, spline count and ratio range, all listed in the title. Air Lockers run on compressed air. See ARB air compressors and Drivetrain & Lockers.