4x4 Parts is a family business focused on off-road vehicle accessories, founded in 2007 based on a hobby, whose operations are built on diverse professional expertise, know-how, and the sale of off-road equipment.
HD Tyrex e-locker for P38 Wolf axles (Defender 110/130 rear, Range Rover P38).It is HD differential box, and gives the possibility to lock the differential without any extra modification or part.