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Restore Correct Trac Bar Geometry After a Lift
Raising a TJ or LJ rear axle changes the angle of the factory trac bar mount, which can bind the bar and cause handling issues. RockJock's CE-9121N relocates the rear trac bar mounting point upward on the axle housing, correcting the geometry so the bar operates through its intended range on a lifted vehicle.
Key Features
- Relocates the rear trac bar axle mounting point upward
- Fabricated from laser cut and formed 3/16 in. steel
- Bolts onto the factory Dana 35 or 44 rear differential housing
- Designed for use with 2 in. to 4.5 in. of lift
- Requires a minimum of 2.5 in. of additional bump stop over stock
Fitment
| Year | Make | Model |
|---|---|---|
| 1997-2006 | Jeep | Wrangler (TJ) |
| 2004-2006 | Jeep | Wrangler Unlimited (LJ) |
Specifications
| Detail | Value |
|---|---|
| Manufacturer part number | CE-9121N |
| Material | 3/16 in. laser cut and formed steel |
| Intended lift range | 2 in. to 4.5 in. |
| Minimum bump stop addition | 2.5 in. over stock |
| Axle compatibility | Factory Dana 35 or 44 rear housing |
What's Included
- 1 geometry correction bracket
- Steel spacer
- 1/2 in.-20 x 3 1/4 in. hex bolt and mounting hardware
About RockJock 4x4
RockJock 4x4, made by Currie Enterprises, engineers Jeep-specific control arms, Johnny Joint rod ends, Antirock sway bar systems, and Currectlync steering components for TJ, LJ, XJ, JK, JL, and JT platforms. RockJock parts are built from forged and DOM steel for off-road durability and are designed to bolt into factory mounting points.
FAQ
Why does a lifted TJ need this bracket?Lifting the rear axle changes the trac bar angle, and this bracket raises the mounting point back toward the factory geometry.
What lift range is this bracket designed for?RockJock specifies 2 in. to 4.5 in. of lift for correct geometry.
Does installation require welding?No, the bracket bolts onto the factory Dana 35 or 44 rear differential housing.
Is additional bump stop travel required?Yes, a minimum of 2.5 in. of additional bump stop over stock is required.
Will this fit an LJ Unlimited?Yes, it fits all TJ Wrangler and LJ Unlimited models.
What axles does this bracket fit?Factory Dana 35 and Dana 44 rear differential housings.
What is the bracket made from?Laser cut and formed 3/16 in. steel.
Does this bracket work with any trac bar?It corrects the axle-side mounting point and is intended to work with RockJock trac bars as well as compatible stock or aftermarket bars.
Installation Instructions
- Support the vehicle and locate the factory rear trac bar mount on the axle housing.
- Remove the factory trac bar from the axle mount.
- Install the RockJock bracket and spacer onto the axle housing using the supplied hardware.
- Torque the mounting bolt to the vehicle manufacturer specification.
- Reinstall the trac bar into the new, relocated mounting point and verify clearance through full suspension travel.
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