24 spline Front and rear lockers with 4.10 gears built by Great Basin. Includes actuators, 3 switches, small ARB compressor, lines, wiring harness.
Were on my D1 when I bought it but haven't been activated many times since I got it years ago. Always ran synthetic fluid with heavy duty Lucas stabilizer and changed often.
$2000 pick up or will help with delivery/RURR otherwise buyer arranges shipping