RockJock 4x4 Johnny Joint 21-Up Bronco Rear Trac Bar Adjustable Greasable - RJ-183400-101
RockJock's Johnny Joint adjustable rear trac bar for 2021-up Bronco features precise bends for a perfect fit into stock or lifted vehicles as well as vehicles with larger, aftermarket differentials. For maximum articulation, this trac bar features greasable, narrow Johnny Joint rod ends at both ends, the axle housing end being adjustable.
Use the adjustability of this bar to center the axle under the chassis as well as to improve driveshaft-to-fuel-tank clearance. This bar may be used with our without our RJ-181400-101 Trac Bar Relocation Bracket.
Bar is fabricated from 1 3/8 inch x .120 inch wall DOM tubing and is finished insemi-gloss black powder coat on the bar and gold zinc plating on the Johnny Joint adjuster end.
Kit Fits:
- 2021-up Bronco - All Models
Kit Includes:
- Johnny Joint Rear Trac Bar Assembly
- (2) Rubber Washers (outboard of the Johnny Joint at the frame end to encourage the bar to re-center itself after articulating)
Adjustment Range:
- Closed - 43.500 in.
- Extended - 45.160 in.
Notes:
- Fits with stock exhaust and should fit with aftermarket exhaust systems, however fitment has not been confirmed with non-stock components.
- Non-stock/adjustable control arms will affect the dynamic clearances to this or any other trac bar.
- Factory hardware is retained to attach the trac bar to the axle and the chassis.
- Bar is fabricated from 1 3/8 in. x .120 in. wall DOM tubing.
- Adjuster features 1 in.-14 RH threads.
- Applicable Johnny Joint Tool for this Trac Bar: CE-9110T
- Johnny Joints require non-synthetic, hi-moly lube grease such as our CE-9013G
Parts List:
- Complete Johnny Joint Adjuster End: RJ-331301-102
- Johnny Joint Rebuild Kit (either end): CE-9110NRK
- Johnny Joint Pivot Ball (either end): RJ-348005-1
- Rubber Washer: RJ-533000-1
- Zerk Fitting (on bar or Johnny Joint): CE-1103K21
