RockJock

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.

Confirmed vehicle fitment
YearsMakeModelSubmodelDrive
2011JeepWranglerUnlimited 70th Anniversary—
2023JeepWranglerSahara Altitude—
2020–2025JeepGladiatorSport S—
1984–1993JeepCherokeeBase—
2024–2025JeepGladiatorNightHawk—
2021–2025JeepGladiatorWillys—
2004–2006JeepWranglerUnlimited—
2018JeepWrangler JKUnlimited Sport—
2016JeepWranglerUnlimited 75th Anniversary—
2020–2023JeepGladiatorOverland—
2007–2022JeepWranglerUnlimited Sahara—
2021–2023JeepWranglerUnlimited High Altitude 4xe—
2021JeepWranglerIslander—
2003–2025JeepWranglerRubicon—
2018JeepWrangler JKUnlimited Rubicon—
1993–1998JeepGrand CherokeeLimited—
2024–2025JeepWranglerRubicon X—
2023–2025JeepWranglerSahara 4xe—
2016JeepWrangler75th Anniversary—
2021–2022JeepWranglerUnlimited High Altitude—
1987–1992JeepComancheBase—
2023JeepWranglerFreedom—
1998–2001JeepCherokeeLimited—
1993–1998JeepGrand CherokeeLaredo—
2021JeepGladiator80th Anniversary—
2018–2025JeepWranglerSport S—
2023–2025JeepWranglerSahara—
1987–1992JeepComanchePioneer—
1987–1988JeepComancheChief—
2024–2025JeepGladiatorHigh Tide—
2023–2024JeepWranglerRubicon 392—
2024–2025JeepGladiatorRubicon X—
2021–2022JeepWranglerUnlimited Sport Altitude—
1994–2001JeepCherokeeSE—
1997–2006JeepWranglerSport—
2020JeepGladiatorAltitude—
1991–1992JeepCherokeeBriarwood—
1986JeepComancheCustom—
2021–2022JeepWranglerUnlimited Sahara Altitude—
1997–1998JeepGrand CherokeeTSi—
2023JeepWranglerUnlimited Willys 4xe—
2023JeepWranglerHigh Altitude—
2018JeepWrangler JKSahara—
2010–2022JeepWranglerUnlimited Sport—
2018–2022JeepWranglerUnlimited Sport S—
2020–2025JeepGladiatorRubicon—
1997–2004JeepWranglerSahara—
2024–2025JeepWranglerRubicon 4xe—
2021–2022JeepWranglerUnlimited Rubicon 392—
1985–1988JeepCherokeeChief—
2007–2010JeepWranglerUnlimited X—
2011JeepWrangler70th Anniversary—
2024–2025JeepWranglerRubicon 392 Final Edition—
1996JeepCherokeeClassic—
2021–2022JeepWranglerUnlimited Willys—
2021–2024JeepWranglerWillys Sport—
2024–2025JeepWranglerSport S 4xe—
2018JeepWrangler JKSport S—
2018JeepWrangler JKSport—
1988–1992JeepComancheEliminator—
2022JeepGladiatorAltitude—
2005–2022JeepWranglerUnlimited Rubicon—
2023JeepWranglerHigh Tide—
1998–2001JeepCherokeeClassic—
1997JeepGrand CherokeeOrvis—
2010–2025JeepWranglerSport—
1998JeepGrand Cherokee5.9 Limited—
1985–1990JeepCherokeePioneer—
1994–1995JeepGrand CherokeeSE—
2018–2019JeepWranglerUnlimited Moab—
2022JeepWranglerUnlimited High Tide—
2016JeepWranglerSport S—
2002–2010JeepWranglerX—
2018JeepWrangler JKUnlimited Sahara—
2024–2025JeepWranglerHigh Altitude 4xe—
2024–2025JeepWranglerRubicon X 4xe—
2021–2025JeepWranglerWillys—
1986JeepComancheXLS—
1987–1992JeepCherokeeLimited—
2021JeepWranglerUnlimited Islander—
1985–1992JeepCherokeeLaredo—
2021JeepWranglerUnlimited 80th Anniversary—
1986JeepComancheX—
2021–2023JeepGladiatorHigh Altitude—
1993JeepGrand CherokeeBase—
2023JeepGladiatorFreedom—
2018JeepWrangler JKRubicon—
1995JeepGrand CherokeeOrvis—
2024JeepGladiatorJeep Beach—
2021–2022JeepWranglerUnlimited Sahara 4xe—
1997–2006JeepWranglerSE—
2024–2025JeepGladiatorMojave X—
2021JeepWranglerUnlimited Freedom—
2016JeepWranglerUnlimited Sport S—
2021–2025JeepGladiatorTexas Trail—
2021–2023JeepGladiatorWillys Sport—
1989–2001JeepCherokeeSport—
2021–2022JeepWranglerUnlimited Willys Sport—
2018JeepWrangler JKUnlimited Sport S—
1993–1997JeepCherokeeCountry—
2024–2025JeepWranglerWillys 4xe—
1987–1988JeepComancheLaredo—
2007–2017JeepWranglerSahara—
2020–2025JeepGladiatorSport—
2021JeepWrangler80th Anniversary—
2006JeepWrangler65th Anniversary Edition—
2020–2025JeepGladiatorMojave—
2023JeepWranglerSport Altitude—
2020JeepGladiatorLaunch Edition—
2021JeepWranglerFreedom—
2021–2023JeepWranglerUnlimited Rubicon 4xe—
Specifications
CategorySuspension
Sub-CategorySuspension Arms & Components
UPC810038156187
CARB ApprovedYes
Prop 65 WarningY
Special OrderYes
Weight3 lb
Dimensions (L×W×H)7 × 3 × 3 in