RockJock JL/JT Aftrmkt. Diffs & JK/TJ/LJ/XJ/MJ/ZJ Stock and Aftrmkt. Diffs Johnny Joint Uni-Ball
SKU RJ-301001-101
MPN rokRJ-301001-101
$173.00 · Available to order
RockJock JL/JT Aftrmkt. Diffs & JK/TJ/LJ/XJ/MJ/ZJ Stock and Aftrmkt. Diffs Johnny Joint Uni-Ball
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 JK or a stock TJ/LJ/XJ/MJ/ZJ housing, as well as aftermarket replacement differentials from companies such as Dana, UD-60s), Dynatrac, East Coast Gear, Fusion 4x4 and Currie Enterprises, cast center housings ONLY, does not apply to 9 in. / fabricated style differentials). Additionally, "most in. aftermarket differentials that are intended for installation in a JL/JT vehicle, still retain the bushing specs. of a JK bushing, making this the applicable Uni-Ball to install in an aftermarket differential, again, cast center only, not 9 in. style going into a JL/JT., for STOCK JL/JT housings, see our RJ-301002-101 Uni-Ball. The mounting width of the center pivoting assembly is 2 in., to allow it to fit into the fork on JL/JT/JK/TJ/LJ/XJ/MJ/XJ 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.
| Years | Make | Model | Submodel | Drive |
|---|---|---|---|---|
| 2011 | Jeep | Wrangler | Unlimited 70th Anniversary | — |
| 2023 | Jeep | Wrangler | Sahara Altitude | — |
| 2020–2025 | Jeep | Gladiator | Sport S | — |
| 1984–1993 | Jeep | Cherokee | Base | — |
| 2024–2025 | Jeep | Gladiator | NightHawk | — |
| 2021–2025 | Jeep | Gladiator | Willys | — |
| 2004–2006 | Jeep | Wrangler | Unlimited | — |
| 2018 | Jeep | Wrangler JK | Unlimited Sport | — |
| 2016 | Jeep | Wrangler | Unlimited 75th Anniversary | — |
| 2020–2023 | Jeep | Gladiator | Overland | — |
| 2007–2022 | Jeep | Wrangler | Unlimited Sahara | — |
| 2021–2023 | Jeep | Wrangler | Unlimited High Altitude 4xe | — |
| 2021 | Jeep | Wrangler | Islander | — |
| 2003–2025 | Jeep | Wrangler | Rubicon | — |
| 2018 | Jeep | Wrangler JK | Unlimited Rubicon | — |
| 1993–1998 | Jeep | Grand Cherokee | Limited | — |
| 2024–2025 | Jeep | Wrangler | Rubicon X | — |
| 2023–2025 | Jeep | Wrangler | Sahara 4xe | — |
| 2016 | Jeep | Wrangler | 75th Anniversary | — |
| 2021–2022 | Jeep | Wrangler | Unlimited High Altitude | — |
| 1987–1992 | Jeep | Comanche | Base | — |
| 2023 | Jeep | Wrangler | Freedom | — |
| 1998–2001 | Jeep | Cherokee | Limited | — |
| 1993–1998 | Jeep | Grand Cherokee | Laredo | — |
| 2021 | Jeep | Gladiator | 80th Anniversary | — |
| 2018–2025 | Jeep | Wrangler | Sport S | — |
| 2023–2025 | Jeep | Wrangler | Sahara | — |
| 1987–1992 | Jeep | Comanche | Pioneer | — |
| 1987–1988 | Jeep | Comanche | Chief | — |
| 2024–2025 | Jeep | Gladiator | High Tide | — |
| 2023–2024 | Jeep | Wrangler | Rubicon 392 | — |
| 2024–2025 | Jeep | Gladiator | Rubicon X | — |
| 2021–2022 | Jeep | Wrangler | Unlimited Sport Altitude | — |
| 1994–2001 | Jeep | Cherokee | SE | — |
| 1997–2006 | Jeep | Wrangler | Sport | — |
| 2020 | Jeep | Gladiator | Altitude | — |
| 1991–1992 | Jeep | Cherokee | Briarwood | — |
| 1986 | Jeep | Comanche | Custom | — |
| 2021–2022 | Jeep | Wrangler | Unlimited Sahara Altitude | — |
| 1997–1998 | Jeep | Grand Cherokee | TSi | — |
| 2023 | Jeep | Wrangler | Unlimited Willys 4xe | — |
| 2023 | Jeep | Wrangler | High Altitude | — |
| 2018 | Jeep | Wrangler JK | Sahara | — |
| 2010–2022 | Jeep | Wrangler | Unlimited Sport | — |
| 2018–2022 | Jeep | Wrangler | Unlimited Sport S | — |
| 2020–2025 | Jeep | Gladiator | Rubicon | — |
| 1997–2004 | Jeep | Wrangler | Sahara | — |
| 2024–2025 | Jeep | Wrangler | Rubicon 4xe | — |
| 2021–2022 | Jeep | Wrangler | Unlimited Rubicon 392 | — |
| 1985–1988 | Jeep | Cherokee | Chief | — |
| 2007–2010 | Jeep | Wrangler | Unlimited X | — |
| 2011 | Jeep | Wrangler | 70th Anniversary | — |
| 2024–2025 | Jeep | Wrangler | Rubicon 392 Final Edition | — |
| 1996 | Jeep | Cherokee | Classic | — |
| 2021–2022 | Jeep | Wrangler | Unlimited Willys | — |
| 2021–2024 | Jeep | Wrangler | Willys Sport | — |
| 2024–2025 | Jeep | Wrangler | Sport S 4xe | — |
| 2018 | Jeep | Wrangler JK | Sport S | — |
| 2018 | Jeep | Wrangler JK | Sport | — |
| 1988–1992 | Jeep | Comanche | Eliminator | — |
| 2022 | Jeep | Gladiator | Altitude | — |
| 2005–2022 | Jeep | Wrangler | Unlimited Rubicon | — |
| 2023 | Jeep | Wrangler | High Tide | — |
| 1998–2001 | Jeep | Cherokee | Classic | — |
| 1997 | Jeep | Grand Cherokee | Orvis | — |
| 2010–2025 | Jeep | Wrangler | Sport | — |
| 1998 | Jeep | Grand Cherokee | 5.9 Limited | — |
| 1985–1990 | Jeep | Cherokee | Pioneer | — |
| 1994–1995 | Jeep | Grand Cherokee | SE | — |
| 2018–2019 | Jeep | Wrangler | Unlimited Moab | — |
| 2022 | Jeep | Wrangler | Unlimited High Tide | — |
| 2016 | Jeep | Wrangler | Sport S | — |
| 2002–2010 | Jeep | Wrangler | X | — |
| 2018 | Jeep | Wrangler JK | Unlimited Sahara | — |
| 2024–2025 | Jeep | Wrangler | High Altitude 4xe | — |
| 2024–2025 | Jeep | Wrangler | Rubicon X 4xe | — |
| 2021–2025 | Jeep | Wrangler | Willys | — |
| 1986 | Jeep | Comanche | XLS | — |
| 1987–1992 | Jeep | Cherokee | Limited | — |
| 2021 | Jeep | Wrangler | Unlimited Islander | — |
| 1985–1992 | Jeep | Cherokee | Laredo | — |
| 2021 | Jeep | Wrangler | Unlimited 80th Anniversary | — |
| 1986 | Jeep | Comanche | X | — |
| 2021–2023 | Jeep | Gladiator | High Altitude | — |
| 1993 | Jeep | Grand Cherokee | Base | — |
| 2023 | Jeep | Gladiator | Freedom | — |
| 2018 | Jeep | Wrangler JK | Rubicon | — |
| 1995 | Jeep | Grand Cherokee | Orvis | — |
| 2024 | Jeep | Gladiator | Jeep Beach | — |
| 2021–2022 | Jeep | Wrangler | Unlimited Sahara 4xe | — |
| 1997–2006 | Jeep | Wrangler | SE | — |
| 2024–2025 | Jeep | Gladiator | Mojave X | — |
| 2021 | Jeep | Wrangler | Unlimited Freedom | — |
| 2016 | Jeep | Wrangler | Unlimited Sport S | — |
| 2021–2025 | Jeep | Gladiator | Texas Trail | — |
| 2021–2023 | Jeep | Gladiator | Willys Sport | — |
| 1989–2001 | Jeep | Cherokee | Sport | — |
| 2021–2022 | Jeep | Wrangler | Unlimited Willys Sport | — |
| 2018 | Jeep | Wrangler JK | Unlimited Sport S | — |
| 1993–1997 | Jeep | Cherokee | Country | — |
| 2024–2025 | Jeep | Wrangler | Willys 4xe | — |
| 1987–1988 | Jeep | Comanche | Laredo | — |
| 2007–2017 | Jeep | Wrangler | Sahara | — |
| 2020–2025 | Jeep | Gladiator | Sport | — |
| 2021 | Jeep | Wrangler | 80th Anniversary | — |
| 2006 | Jeep | Wrangler | 65th Anniversary Edition | — |
| 2020–2025 | Jeep | Gladiator | Mojave | — |
| 2023 | Jeep | Wrangler | Sport Altitude | — |
| 2020 | Jeep | Gladiator | Launch Edition | — |
| 2021 | Jeep | Wrangler | Freedom | — |
| 2021–2023 | Jeep | Wrangler | Unlimited Rubicon 4xe | — |
| Category | Suspension |
|---|---|
| Sub-Category | Suspension Arms & Components |
| UPC | 810038156187 |
| CARB Approved | Yes |
| Prop 65 Warning | Y |
| Special Order | Yes |
| Weight | 3 lb |
| Dimensions (L×W×H) | 7 × 3 × 3 in |