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RockJock Uni-Balls for front axle housings are intended for 3-link suspension conversions where the passenger-side upper control arm is removed and loads concentrate on the axle housing mount. These sealed-bearing assemblies press into cast differential housings on the driver's side, accept a 5/8 in. thru-bolt and clear zinc plating for finish. They fit many stock and aftermarket cast center housings for JK/TJ/LJ/XJ/MJ/ZJ applications; do not apply to fabricated 9-inch housings.
RockJock JL/JT Aftrmkt. Diffs & JK/TJ/LJ/XJ/MJ/ZJ Stock and Aftrmkt. Diffs Johnny Joint Uni-Ball
