Whether you’re on the track, trail, or street, you should have confidence in your drivetrain components. Since 1982, Moser Engineering has been manufacturing products that not only give you the confidence you need but the power and performance you crave! With advanced machining processes and premium materials, Moser produces American-made products that include axle assemblies, ring and pinion gears, real axle housings, differential carriers, spools and mini-spools, axle bearings, shafts, and more.