RockJock · New
RockJock JL/JT Johnny Joint Uni-Ball for 3-Links Factory Diffs Only w/ Installation Tool
MPN RJ-301002-101 · Store SKU rokRJ-301002-101
Supplier stock checked 11/7/2026, 10:42:21 AM UTC. Adding a part does not reserve it.
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Product details
RockJock Uni-Balls for Front Axle Housings are used in 3-link suspension applications, where the passenger's side upper control arm has been eliminated and all of the suspension load is now being applied to the one axle housing mounting location. Our Uni-Balls press into the stock bushing holes on the casting side, driver's side ONLY) of the front differential housing and provide a durable solution that incorporates a 5/8 in. thru-bolt hole for heavier hardware. This Uni-Ball will press into a stock JL or JT housing, only). The mounting width of the center pivoting assembly is 2 in., to allow it to fit into the fork on JL/JT front upper control arm, however, the 5/8 in. thru-bolt hole will require drilling of the bolt hole in the control arm fork. Uni-Balls feature a sealed bearing assembly, so no greasing is required. Finish is clear zinc plating. Uni-Ball Assembly; Uni-Ball For 3-Links; Incl. Installation Tool; Uni-Ball Assembly
Manufacturer fitment & guides
Check RJ-301002-101 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- California Proposition 65: Y
