RockJock's Antirock Sway Bar Kit for the rear of all 2021-up Bronco vehicles helps free up suspension articulation to increase off-road traction. By constantly providing resistance to the articulating wheel, the Antirock forces traction to opposite wheels.

The Antirock sway bar easily bolts on with hand tools, directly replacing the vehicle's stock rear sway bar. The Antirock does not require disconnecting for off-road use!

The sway bar torsion bar is forged from 4130 heat treated chromoly for ultimate strength, which is the same quality used in professional off-road competition sway bars.

Kit Fits:

21-up Bronco (4-door) - All Models
21-up Bronco (2-door) - All Models

Kit Includes:

• Sway Bar Torsion Bar (.850 in. diameter)
• Fabricated Steel Frame Brackets
• Fabricated Steel Axle Brackets
• Forged Chromoly Sway Bar Arms
• Delrin Sway Bar Bushings
• Adjustable Sway Bar End Links
• Billet Steel Sway Bar End Link Mounting Kit
• Brake Line Relocation Brackets
• All Required Hardware and step-by-step instructions

Notes:

Exhaust modification required! - installation of this kit requires you to install a high-clearance axle-back exhaust pipe and muffler (see the 6th. photo in the gallery).

We have worked with AFE to create a simple to install, high clearance piece under item number 49-43147, however other exhaust manufactures likely produce compatible systems (Slide 7 in the photo gallery for a dimensional diagram).

Body Roll - Antirock sway bar equipped vehicles will exhibit more body roll than vehicles equipped with the stock sway bar. Antirock sway bars may be used on the street, however, they do not provide the same handling characteristics as the stock sway bar.

End Links - Out of the box, the length of the sway bar's vertical links that are included in this kit are intended for use with stock height vehicles. Depending upon your specific vehicle's lift, you may obtain shorter or longer links to suit, here. Additionally, all of the link rods may also be trimmed in length for fine tuning purposes.

Fitment - It is quite common for factory frames to vary in width. If you find your vehicle's frame to be on the narrower side, the Antirock arms can simply be slid on until they are snug against the Antirock bushings and then the arms clamped down.

However, on some frames the arms absolutely have to hold true width to clear bolt heads on the side of the frame, etc. In instances of this nature, see our CE-9901D-SP4 shim pack to assist in fine tuning.

Parts List:

• Sway Bar Torsion Bar: RJ-204002-1
• Steel Frame Brackets (pair): RJ-281202-103
• Steel Axle Brackets (pair): RJ-281201-103
• Forged Sway Bar Arms: RJ-282200-101
• Delrin Sway Bar Bushing: CE-9901D
• Adjustable Sway Bar End Links: RJ-283100-101
• Brake Line Relocation Bracket: RJ-281200-1
• Brake Line Relocation Tab: RJ-181400-3
• 1/2 in.-20 x 1 1/2 in. Long Hex Bolt: RJ-501201-1
• 1/2 in. Flat Washer: CE-H0014
• 1/2 in.-20 Internal Frame Rail Nut: RJ-522200-1
• 3/8 in.-16 x 82mm ID U-Bolt: RJ-511203-1
• 3/8 in.-16 Serrated Flange Nut: CE-98233A300
• 3/8 in. Flat Washer: CE-90108A415
• 8mm-1.25 x 16mm Long Serrated Flanged Hex Head Screw: RJ-501106-1
• 8mm-1.25 Lock Nut: RJ-502106-1
• Sway Bar Arm Hardware Pack: CE-99005A
• Sway Bar Arm Stickers: RJ-720300-101

RockJock's AFE Axle-Back Exhaust System is mandatory when installing RockJock's Antirock Sway Bar Kit for the rear of all 2021-up Bronco vehicles, but may also be used on any Bronco as an aftermarket, high clearance upgrade.

Features include 3 in. mandrel-bent 409 stainless steel construction and a high flow 304 stainless steel muffler that produces a deep sound and unleashes all of the vehicle's available horsepower and torque! Factory style hangers are utilized for a hassle free, direct bolt-on installation.

No cutting or modifications to the vehicle required!

Kit Fits:

21-up Bronco (2-door) - All 2.3L L4 Models
21-up Bronco (2-door) - All 2.7L V6 Models
21-up Bronco (4-door) - All 2.3L L4 Models
21-up Bronco (4-door) - All 2.7L V6 Models

Kit Includes:

AFE Apollo GT Series 3 IN 409 Stainless Steel Hi-Tuck Axle-Back Exhaust System

Kit Features:

• Constructed from 3 in. mandrel-bent 409 stainless steel tubing
• Hi-tuck design for extra ground clearance, protects exhaust over rough terrain
• Utilizes factory style hangers for a secure fit
• 100 percent MIG-welded for strength and durability
• All necessary hardware is included for a hassle-free installation
• Constructed from 3 in. mandrel-bent 409 stainless steel tubing

Components Specs

• Tubing: 3 in., 409 stainless steel
• Muffler: 5 in. x 14 in., 304 stainless steel
• Resonator: 4 in. x 12 in., 304 stainless steel

Notes:

Emissions Disclaimer this product does not require a CARB EO Number
No cutting or modifications to the vehicle required installation!
This kit is mandatory when installing RockJock's RJ-286200-101 rear Antirock Sway Bar kit

Product Videos

RockJock is famous for our coil springs! The John Currie secret recipe is renowned for being the best on-road ride and the most off-road flex, all in one spring!

Some of the secret (but not all!) to our dual rate springs is a soft initial rate that absorbs small bumps and trail chop, to deliver a smooth, comfortable ride, while a firmer secondary rate helps soak up larger impacts and reduce bottoming.

A key differentiator of RockJock spec. dual-rate springs is the positioning of the crossover point between the initial and secondary spring rates so that a portion of the softer initial rate is available and active at ride height before crossing over to the firmer secondary rate deeper into the travel.

Lift height varies per vehicle due to factory variances and amount of added on aftermarket equipment. In 4XE Sport and Sahara vehicles you can expect around a 3.5 in. lift, and in Rubicons about 2 in. more lift over the stock Rubicon springs.

Kit Fits:

• JL Wrangler Unlimited (4-door) - 4XE Hybrid Models
• JL Wrangler JL (2-door) - 4XE Hybrid Models

Kit Includes:

(2) 3.5 in. Rear Coil Springs

Components Specs: Spring Free Length = 17.460 in.

Notes: For use in all 4XE Hybrid models of JL Wrangler Unlimited only, not for use in JT Gladiators. Actual lift amount will vary due to factory produced vehicle variances as well as weight of added on aftermarket equipment.

You can expect around a 3.5 in. lift in Sport and Sahara models. Rubicon models, expect about 2 in. more lift over the stock Rubicon springs.
Springs are finished in gloss black powder coat.

RockJock's front coil spring shim for JL Wrangler and JT Gladiator is 1/4 in. thick and mounts between the welded on coil spring axle pad and the coil spring isolator.

The indexing pin in the coil spring isolator fits thru the hole in this shim to properly clock it.

These shims are used to fine tune vehicle height per model, engine combination and added weight load.
Semi-gloss black powder coat finish.

RockJock High Steer Knuckles for all JK Wrangler and Unlimited vehicles are a game changer! These new knuckles raise both the tie rod and drag link 2 3/4 in. as well as pushing the tie rod outward, away from the axle slightly, allowing for tighter (JL/JT) steering angle over that of stock JK and 1 ton axles.

For use on factory axles or axles that retain factory inner C-knuckles, our new high steer knuckles are intended for use with in conjunction with all of our other high steer components, to give you a package that provides everything necessary to accommodate the higher steering location, adjust all geometry points and allow you to easily install a hydraulic assist steering ram, or to reinstall a stabilizer shock!

Knuckles are manufactured to greater than OEM standards in every way. Features include premium iron castings, gloss black finish and precise machining for a component that installs just like factory. Additional adjustable steering stops ahead of the axle have been added, giving you firm, fore and aft steering stops on both wheels at all times, easing strain on other components.

For best results, it is highly recommended that these knuckles be used in conjunction with one of our knuckle kits that include all of the other components to make this installation easy.

Our RJ-430000-101 kit includes a forged, high articulation Drag Link, a 42mm chromoly Tie Rod, a JL/JT Trac Bar as well as the bracket and clamp kits to allow you to install a hydraulic assist steering ram.

We also offer our RJ-430001-101 and RJ-430001-101 kits that include the same Drag Link and Tie Rod, as well as the bracket and clamp kits to allow you to reinstall your steering stabilizer shock at a much higher, protected height.

Kits that retain the steering stabilizer shock are available with or without our longer RJ-9120FJLF forged, organically shaped JL/JT front trac bar (for 5/8 in. higher articulation!).
Use of our RJ-107101-101 adjustable front bump stop kit is strongly encouraged to allow for maximum up-travel, as engineered.

Kit Fits:

Fits all listed vehicles below, granted they retain the factory front differential, or any aftermarket differential that features factory spec. inner C-knuckles.

• JK Wrangler Unlimited (4-door) - All Models (w/ D30 or D44 differential)
• JK Wrangler JL (2-door) - All Models (w/ D30 or D44 differential)

Kit Includes:

Left side high steer steering knuckle
Right side high steer steering knuckle
(4) Steering Stop Bolts
(4) Steering Stop Bolt Jam Nuts
(4) Ball Joint Cotter Pins
Step-By-Step instructions

Fitment Specs.:

For use on any factory JK Dana 30 or Dana 44 front differential, or any aftermarket replacement axle that features factory specification inner C-knuckles
Retains factory ball joints, unit bearings, outer axles, brakes and dust shields.
Intended to be used with a minimum of a 17 in. diameter wheel and up to a 6 in. wheel backspacing.
A minimum of a 2.2 in. bump stop extension is mandatory to keep components from crashing under full articulation range conditions. See our RJ-107101-101 adjustable front bump stop kit for an easy to use solution.

Notes:

For optimum performance of these knuckles, we recommend purchasing them in one of our kits that provide the balance of the components for ease of use. See our kits: RJ-430000-101, RJ-430001-101 and RJ-430001-103.
These knuckles were designed in conjunction with and intended for use with our JK-9704 steering system.
These knuckles may or may not work with stock or other aftermarket tie rods and drag links - we have not done that testing!

Parts List:

• High Steer Knuckle (LH)
• High Steer Knuckle (RH)
• 10mm-1.5 x 30mm Button Head Allen Bolt: RJ-501110-1
• 10mm-1.5 Jam Nut (RH thread): RJ-502110-1
• Cotter Pin: CE-98338A190

The RockJock Trac Bar Relocation and Ram Assist Mount Axle Bracket Kit for all JK Wrangler and Unlimited vehicles is designed specifically to be used in conjunction with our High Steer Knuckles.

Given the dramatic changes in geometry high steer knuckles impose, this fully integrated trac bar relocation and ram assist mounting bracket raises your trac bar mounting point 2 in. and corrects it's geometry to prevent bump steer, as well as providing you with a solid mounting point for a JL/JT spec. hydraulic steering assist ram (allowing for more steering angle).

The bottom of the bracket acts as a skid plate, protecting the ram from rocks.
The large axle bracket, as well as the small bracket for use on the driver's side of the axle to relocate the sway bar end link mounting point easily install, but do require some minor welding.

However, both brackets can be mounted solidly enough with the supplied bolts to allow you to drive to a welder if need be.
We recommend buying this bracket in our complete RJ-430000-101 High Steer Knuckle Kit so that you are ensured a complete system that includes everything you need to get the job done.

The use of our RJ-9120FJLF forged, organically shaped front trac bar is mandatory as the JL/JT front trac bar's longer length pushes the trac bar adjuster joint outboard of the frame rail providing an additional 5/8 in. of up-travel Additionally, use of our forged trac bar ensures that all components nest together for maximum up travel, as engineered, when used in conjunction with our Currectlync steering system.
A picture is worth a thousand words, as they say! Please review this item's photo gallery!

Kit Fits:

Fits all listed vehicles below, granted they retain the factory front differential, or any aftermarket differential that features factory spec. inner C-knuckles (up to 3 1/2 in. axle tube).
JK Wrangler Unlimited (4-door) - All Models (w/ D30 or D44 differential)
JK Wrangler (2-door) - All Models (w/ D30 or D44 differential)

Kit Includes:

Trac Bar and Sway Bar End Link Relocation and Ram Mount (Passenger's Side) Bracket
Sway Bar End Link Relocation (Driver's Side) Bracket
All necessary hardware and step-by-step instructions

Fitment Specs.:

For use on any factory JK Dana 30 or Dana 44 front differential, or any aftermarket replacement axle that features factory specification inner C-knuckles and up to 3 1/2 in. diameter axle tubes.
Brackets provide new sway bar link mounting holes that are raised 2 1/8 in. higher than stock (sway bar link lengths must be adjusted to accommodate this).
Requires a hydraulic assist steering ram stroke of 7.375 in. to achieve full potential (factory steering radius).

Notes:

We recommend buying this bracket kit in our complete RJ-430000-101 High Steer Knuckle Kit so that you are ensured a complete system that includes everything you need to get the job done.
The optimized geometry this kit provides requires the use of our RJ-9120FJLF trac bar
We highly recommend the use of our RJ-107101-101 adjustable bump stop kit to attain maximum attainable up-travel.
This bracket is intended for use in conjunction with common PSC ram assist steering kits.

Parts List:

• Trac Bar Relocation and Ram Mount Axle Bracket: RJ-431109-101
• Sway Bar Link Relocation Bracket: RJ-431109-3
• 5/8 in.-18 x 1 3/4 in. Long Hex Bolt: RJ-501210-3
• 14mm-1.5 x 70mm Long Hex Bolt: RJ-M14X70HCS1
• 14mm Flat Washer: RJ-M14NWSF1
• 14mm-1.5 Flanged Hex Lock Nut: RJ-M14XNLF1
• 1/2 in.-20 x 1 1/2 in. Long Hex Bolt: RJ-501201-1
• 1/2 in.-20 x 1 1/4 in. Long Hex Bolt: RJ-501211-3
• 1/2 in. Flat Washer (thick): CE-H0014
• 1/2 in. Flat Washer (thin): CE-H0013
• 1/2 in.-20 Stover Lock Nut: CE-92501A440
• 1/2 in.-20 Thin Nyloc Nut: CE-90566A230
• 2ml Tube of Red Threadlocker: RJ-560001-1

The RockJock Trac Bar and Steering Stabilizer Shock Relocation Axle Bracket Kit for JK Wrangler and Unlimited vehicles is designed specifically to be used in conjunction with our High Steer Knuckles.

Given the dramatic changes in geometry high steer knuckles impose, this axle bracket easily bolts on to your factory axle and provides you with geometry correction for your trac bar, raising it's mounting point 2 in., to prevent you from incurring any bump steer after installing the high steer knuckles.

The stabilizer shock mount portion of the bracket gives you an easy bolt up anchor point for your shock that sets the shock at a considerably higher position than stock, behind the raised tie rod, to protect it from rocks!

We recommend buying this bracket in our complete RJ-430001-101 High Steer Knuckle Kit so that you are ensured a complete system that includes everything you need to get the job done.

The use of our RJ-9120FJK forged, organically shaped front trac bar is also strongly encouraged, so that all components nest together for maximum up travel as engineered.

If you were intending to take advantage of our maximum optimized JK high steer components that incorporate the longer JL/JT Trac Bar, you'll want to look at our RJ-431111-103 bracket kit.
Kit Fits:

Fits all listed vehicles below, granted they retain the factory front differential.

• JK Wrangler Unlimited (4-door)
• JK Wrangler (2-door)

Kit Includes:

Trac Bar and Stabilizer Shock Relocation Bracket
All necessary hardware and step-by-step instructions

Fitment Specs:

For use on any factory JK front differential (Dana 30 or 44), in conjunction with our High Steer Kit
Relocates Trac Bar mounting hole 2 in. higher than stock
Moves stock Steering Stabilizer Shock mounting point upward for correct, matched geometry to the tie rod in high steer applications
For use in conjunction with our RJ-441002-101 stabilizer shock tie rod clamp bracket kit

Notes:

We recommend buying this bracket kit in our complete RJ-430001-101 High Steer Knuckle Kit so that you are ensured a complete system that includes everything you need to get the job done.
For a successful finished install of this kit, we recommend the use of our RJ-441002-101 tie rod clamp bracket to relocate the opposite end of the shock into the ideal place with regards to geometry.

This bracket allows for the reuse of the use of factory JK stabilizer stabilizer shock.
If you are intending to use a Bilstein 5100 series stabilizer shock with this system and our High Steer Knuckle Kit, see Bilstein part number 33-292984 for the bolt-on shock.

If you are intending to use a Fox stabilizer shock with this system, see Fox part number 985-24-145 is the shock for this application, but it is not a simple bolt on affair in all instances. Some grinding and fitment may need to be done for optimum clearance and performance.

This bracket does NOT work with Twin tube and thru-rod dampers as they will intersect with other components!

With regards to differential cover clearance, this system clears fine with an OEM cover. Aftermarket diff covers may need to be clearanced to allow the stabilizer shock tie rod bracket to clear. However, be aware, some diff covers may not work at all.

Parts List:

• Forward Bracket: RJ-431110-1
• Rearward Bracket: RJ-431110-101
• Steel Spacer: RJ-544001-1
• Centering Adapter Washer: RJ-523000-1
• 14mm-1.5 x 70mm Long Hex Bolt: RJ-M14X70HCS1
• 14mm Flat Washer: RJ-M14NWSF1
• 14mm-1.5 Flanged Hex Lock Nut: RJ-M14XNLF1
• 12mm-1.75 x 75mm Long Hex Bolt: RJ-501100-1
• 12mm Flat Washer: RJ-91455A150
• 12mm-1.75 Stover Lock Nut: RJ-502104-1
• 3/8 in.-16 x 2 1/2 in. ID U-Bolt: RJ-511202-1
• 3/8 in.-16 Serrated Flange Nut: CE-98233A300
• 3/8 in.-24 x 2 1/2 in. Long Hex Bolt: CE-91257A661
• 3/8 in. Flat Washer: CE-90108A415
• 3/8 in.-24 Nyloc Nut: CE-95615A150

The RockJock Trac Bar and Steering Stabilizer Shock Relocation Axle Bracket Kit for JK Wrangler and Unlimited vehicles is designed specifically to be used in conjunction with our High Steer Knuckles.

Given the dramatic changes in geometry high steer knuckles impose, this axle bracket easily bolts on to your factory axle and provides you with geometry correction for your trac bar, raising it's mounting point 2 in., to prevent you from incurring any bump steer after installing the high steer knuckles.

The stabilizer shock mount portion of the bracket gives you an easy bolt up anchor point for your shock that sets the shock at a considerably higher position than stock, behind the raised tie rod, to protect it from rocks!

This specific bracket is found in our RJ-430001-103 JK High Steer Kit that includes a JL/JT Trac Bar. The Trac Bar mounting hole in this bracket accommodates the (mandatory) use of our longer length RJ-9120FJLF JL/JT front Trac Bar for optimizing geometry and so that all components nest together for maximum up travel as engineered.

If you were intending to use a factory or aftermarket JK Trac Bar, you'll want to look at our RJ-431110-103 bracket kit.
A picture is worth a thousand words, as they say! Please review this item's photo gallery!

Kit Fits:

Fits all listed vehicles below, granted they retain the factory front differential.

• JK Wrangler Unlimited (4-door)
• JK Wrangler (2-door)

Kit Includes:

Trac Bar and Stabilizer Shock Relocation Bracket
All necessary hardware and step-by-step instructions

Fitment Specs:

For use on any factory JK front differential (Dana 30 or 44), in conjunction with our High Steer Kit
Relocates Trac Bar mounting hole 2 in. higher than stock
Moves stock Steering Stabilizer Shock mounting point upward for correct, matched geometry to the tie rod in high steer applications
For use in conjunction with our RJ-441002-101 stabilizer shock tie rod clamp bracket kit

Notes:

We recommend buying this bracket kit in our complete RJ-430001-103 High Steer Knuckle Kit so that you are ensured a complete system that includes everything you need to get the job done.
For a successful finished install of this kit, we recommend the use of our RJ-441002-101 tie rod clamp bracket to relocate the opposite end of the shock into the ideal place with regards to geometry.

This kit requires the use of either a factory JL/JT stabilizer shock or, specifically, Bilstein's B8 5100 series stock replacement shock, part number: 33-292984 shock be used.

This bracket does Not work with Twin tube and thru-rod dampers as they will intersect with other components!

With regards to differential cover clearance, this system clears fine with an OEM cover. Aftermarket diff covers may need to be clearanced to allow the stabilizer shock tie rod bracket to clear. However, be aware, some diff covers may not work at all.

Parts List:

• Forward Bracket: RJ-431111-1
• Rearward Bracket: RJ-431111-101
• Steel Spacer: RJ-544001-1
• Centering Adapter Washer: RJ-523000-1
• 14mm-1.5 x 70mm Long Hex Bolt: RJ-M14X70HCS1
• 14mm Flat Washer: RJ-M14NWSF1
• 14mm-1.5 Flanged Hex Lock Nut: RJ-M14XNLF1
• 12mm-1.75 x 75mm Long Hex Bolt: RJ-501100-1
• 12mm Flat Washer: RJ-91455A150
• 12mm-1.75 Stover Lock Nut: RJ-502104-1
• 3/8 in.-16 x 2 1/2 in. ID U-Bolt: RJ-511202-1
• 3/8 in.-16 Serrated Flange Nut: CE-98233A300
• 3/8 in.-24 x 2 1/2 in. Long Hex Bolt: CE-91257A661
• 3/8 in. Flat Washer: CE-90108A415
• 3/8 in.-24 Nyloc Nut: CE-95615A150

RockJock's Pro Edition Johnny Joint Suspension System for 4XE Hybrid JL Wranglers and Unlimiteds provides 3.5 inches of lift and allows for efficient clearance of up to 37 in. tall tires (larger tires will require aftermarket fenders and minor trimming)!

Comprised of only the highest end components in the areas of strength, fit, finish, function, and the engineering to back them, this kit is more than sufficient for those who want to lift their vehicle, install big tires and hit some intermediate trails on the weekend!

For those who intend to do more serious 4 wheeling and rock crawling, you'll want to look at all of the upgrade parts that RockJock has to offer that can be added to this kit to get your vehicle to it's full potential at any level of off-roading!

Premium shock packages from Bilstein, Fox and King are offered here as options so that you can select the shock brand and performance level that matches your driving style. We always recommend adjustable shocks, as they allow the ride to be tuned to match the terrain and driver's preference.

Kit Fits:

• JL Wrangler Unlimited (4-door) - All 4XE Hybrid Models
• JL Wrangler (2-door) - All 4XE Hybrid Models

Kit Includes:

• 3.5 in. Lift Dual-Rate Front And Rear Springs
• Front Coil Spring Shim
• Johnny Joint Adjustable Front Upper Control Arms
• Johnny Joint Adjustable Rear Upper Control Arms
• Johnny Joint Adjustable Front Trac Bar (forged, organically shaped)
• Rear Trac Bar Geometry Correction Bracket
• Front and Rear Bump Stop Kits
• Front and Rear Adjustable Sway Bar Links w/ Sealed Ends
• Front Brake Line Relocation Brackets
• All Required Hardware

Kit Features:

RockJock Spec. Dual-Rate Springs - Feature a soft initial rate that absorbs small bumps and trail chop, to deliver a smooth, comfortable ride, while a firmer secondary rate helps soak up larger impacts and reduce bottoming.

A key differentiator of RockJock spec. dual-rate springs is the positioning of the crossover point between the initial and secondary spring rates so that a portion of the softer initial rate is available and active at ride height before crossing over to the firmer secondary rate deeper into the travel.

Bump Stop Spacers - Proper bump stop extensions are a must and our heavy duty kits stand up to hard use while keeping the tires off of the shiny new JL fenders!

Johnny Joint Control Arms - Heavy duty adjustable upper control arms feature RockJock Johnny Joints, the original and most durable high-articulation urethane suspension joint on the market.

Johnny Joints feature a smooth steel ball that pivots inside a proprietary urethane shell to provide over 30 degrees (per joint) of quiet, shock dampening articulation - without the excessive deflection found in soft rubber-based flex joints. Johnny Joints are so trusted, that they are used by multiple commercial suspension companies, for both street and off-road suspension systems. Learn more here.

Johnny Joint Trac Bar - Forged chromoly, organically shaped front trac bar combines a precise fit with incredible strength and rigidity that is only available via forging. The adjustability feature allows you to perfectly center front and rear axles under the vehicle. High-articulation Johnny Joint ends provide maximum durability and suspension flex.

Optional Add-On Components - Add-on components enable the RockJock Sport Edition Suspension Lift to be customized for increased off-road capabilities and tuning.

Shock Packages - Select from a range of performance shocks with race-proven technology from Bilstein, Fox and King to meet your requirements.

Antirock Sway Bars - The most popular off-road sway bar on the market enhances off-road driving capabilities with balanced performance of front and rear suspension in rugged off-road conditions. Off-road traction is improved with increased suspension flex and by equalizing and distributing the weight of the vehicle over all four tires - without the overly loose feeling created by sway bar disconnects.

Currectlync Steering System - For maximum strength, reliability and confidence off-road, upgrade your steering!

Geometry Correction Brackets - Depending on your usage and application, check out our Geometry Correction Bracket sets and see if they are for you.

Axle Housing Johnny Joints - Adding this simple kit to your Sport Edition Suspension System converts 2 more pivoting points in your suspension to high articulation Johnny Joint rod ends.

Lift Details - The RockJock Suspension System provides 3.5 in. of suspension lift.

Actual lift height may vary due to factory build specs. and added equipment and accessories.

Tire Fitment:

37 in. tires - no inner fender modification necessary
38 in. or larger tires - aftermarket high-clearance fenders suggested/required

Wheel Backspace:

4.5 in. wheel backspace is recommended for all tire sizes

Parts List:

• Front Coil Springs: RJ-154101-101
• Front Coil Spring Shim: RJ-107100-3
• Rear Coil Springs: RJ-144402-101
• Johnny Joint Front Upper Control Arms: CE-9818FUA
• Johnny Joint Rear Upper Control Arms: CE-9807RUA
• Johnny Joint Front Trac Bar: RJ-9120FJLF
• Rear Trac Bar Geometry Correction Bracket: RJ-141402-101
• Front Bump Stop Kit: CE-9818FBSK
• Rear Bump Stop Kit: CE-9818RBSK
• Front Adjustable Sway Bar Links: RJ-243100-103
• Rear Adjustable Sway Bar Links: RJ-203002-101
• Front Brake Line Relocation Brackets: RJ-141300-101

RockJock's Pro Edition Johnny Joint Suspension System for 4XE Hybrid JL Wranglers and Unlimiteds provides 3.5 inches of lift and allows for efficient clearance of up to 37 in. tall tires (larger tires will require aftermarket fenders and minor trimming)!

Comprised of only the highest end components in the areas of strength, fit, finish, function, and the engineering to back them, this kit is more than sufficient for those who want to lift their vehicle, install big tires and maybe hit some dirt roads while overlanding!

Included in this kit are our front control arm geometry correction brackets that will restore drivability to the stock feel after lifting, so everyday driving we be just as pleasurable as it was before the lift.

For those who intend to do more serious 4 wheeling and rock crawling, you'll want to look at all of the upgrade parts that RockJock has to offer that can be added to this kit to get your vehicle to it's full potential at any level of off-roading!

Premium shock packages from Bilstein, Fox and King are offered here as options so that you can select the shock brand and performance level that matches your driving style. We always recommend adjustable shocks, as they allow the ride to be tuned to match the terrain and driver's preference.

Kit Fits:

JL Wrangler Unlimited (4-door) - All 4XE Hybrid Models
JL Wrangler (2-door) - All 4XE Hybrid Models

Kit Includes:

• 3.5 in. Lift Dual-Rate Front And Rear Springs
• Front Coil Spring Shim
• Front Control Arm Geometry Correction Brackets
• Johnny Joint Adjustable Front Trac Bar (forged, organically shaped)
• Rear Trac Bar Geometry Correction Bracket
• Front and Rear Bump Stop Kits
• Front and Rear Adjustable Sway Bar Links w/ Sealed Ends
• Front Brake Line Relocation Brackets
• All Required Hardware

Kit Features:

RockJock Spec. Dual-Rate Springs - Feature a soft initial rate that absorbs small bumps and trail chop, to deliver a smooth, comfortable ride, while a firmer secondary rate helps soak up larger impacts and reduce bottoming.

A key differentiator of RockJock spec. dual-rate springs is the positioning of the crossover point between the initial and secondary spring rates so that a portion of the softer initial rate is available and active at ride height before crossing over to the firmer secondary rate deeper into the travel.
Bump Stop Spacers - Proper bump stop extensions are a must and our heavy duty kits stand up to hard use while keeping the tires off of the shiny new JL fenders!
Geometry Correction Brackets -The front brackets in this kit will put the control arms back in stock position in relation to the axle, correcting caster angle, improving front driveline angle and causing the axle to travel in it's factory intended arc. General road manners and the way in which the vehicle absorbs bumps are restored to stock feel. The rear Trac Bar correction bracket will restore rear suspension lateral geometry and produce better overall vehicle handling by raising the rear suspension roll center to bring it closer to the vehicle's center of gravity.

Johnny Joint Trac Bar - Forged chromoly, organically shaped front trac bar combines a precise fit with incredible strength and rigidity that is only available via forging.

The adjustability feature allows you to perfectly center front and rear axles under the vehicle. High-articulation Johnny Joint ends provide maximum durability and suspension flex.

Optional Add-On Components - Add-on components enable the RockJock Driver Lift to be customized for increased off-road capabilities and tuning.

Shock Packages - Select from a range of performance shocks with race-proven technology from Bilstein, Fox and King to meet your requirements.
Antirock Sway Bars - The most popular off-road sway bar on the market enhances off-road driving capabilities with balanced performance of front and rear suspension in rugged off-road conditions.

Off-road traction is improved with increased suspension flex and by equalizing and distributing the weight of the vehicle over all four tires - without the overly loose feeling created by sway bar disconnects.
Currectlync Steering System - For maximum strength, reliability and confidence off-road, upgrade your steering!
Johnny Joint Control Arms - Depending on your usage and application, check out our Johnny Joint Control Arm sets and see if they are for you.

Lift Details - The RockJock Suspension System provides 3.5 in. of suspension lift.

Actual lift height may vary due to factory build specs. and added equipment and accessories.

Tire Fitment:

37 in. tires - no inner fender modification necessary
38 in. or larger tires - aftermarket high-clearance fenders suggested/required

Wheel Backspace: 4.5 in. wheel backspace is recommended for all tire sizes

Parts List:

• Front Coil Springs: RJ-154101-101
• Front Coil Spring Shim: RJ-107100-3
• Rear Coil Springs: RJ-144402-101
• Front Control Arm Geometry Correction Brackets: RJ-141102-103
• Johnny Joint Front Trac Bar: RJ-9120FJLF
• Rear Trac Bar Geometry Correction Bracket: RJ-141402-101
• Front Bump Stop Kit: CE-9818FBSK
• Rear Bump Stop Kit: CE-9818RBSK
• Front Adjustable Sway Bar Links: RJ-243100-103
• Rear Adjustable Sway Bar Links: RJ-203002-101
• Front Brake Line Relocation Brackets: RJ-141300-101

RockJock's Pro Edition Johnny Joint Suspension System for 4XE Hybrid JL Wranglers and Unlimiteds provides 3.5 inches of lift and allows for efficient clearance of up to 37 in. tall tires (larger tires will require aftermarket fenders and minor trimming)!

This kit is comprised of only the highest end components in the areas of strength, fit, finish, function, and the engineering to back them, delivering a smooth, comfortable on-road ride with the ultimate in off-road capability - all in a complete, direct bolt-on kit.

This kit is designed specifically for the serious off-roader who not only wants to lift their vehicle and install big tires, but also wants to tackle the toughest trails in the country with confidence and ease.

Premium shock packages from Bilstein, Fox and King are offered here as options so that you can select the shock brand and performance level that matches your driving style. We always recommend adjustable shocks, as they allow the ride to be tuned to match the terrain and driver’s preference.

Kit Fits:

• JL Wrangler Unlimited (4-door) - All 4XE Hybrid Models
• JL Wrangler (2-door) - All 4XE Hybrid Models

Kit Includes:

• 3.5 in. Lift Dual-Rate Front And Rear Springs
• Front Coil Spring Shim
• 8 Johnny Joint Adjustable Control Arms
• Johnny Joint Adjustable Front Trac Bar (forged, organically shaped)
• Johnny Joint Adjustable Rear Trac Bar
• Rear Trac Bar Geometry Correction Bracket
• Front and Rear Bump Stop Kits
• Front and Rear Adjustable Sway Bar Links w/ Sealed Ends
• Front Brake Line Relocation Brackets
• All Required Hardware

Kit Features:

RockJock Spec. Dual-Rate Springs - Feature a soft initial rate that absorbs small bumps and trail chop, to deliver a smooth, comfortable ride, while a firmer secondary rate helps soak up larger impacts and reduce bottoming. A key differentiator of RockJock spec. dual-rate springs is the positioning of the crossover point between the initial and secondary spring rates so that a portion of the softer initial rate is available and active at ride height before crossing over to the firmer secondary rate deeper into the travel.
Bump Stop Spacers - Proper bump stop extensions are a must and our heavy duty kits stand up to hard use while keeping the tires off of the shiny new JL fenders!
Johnny Joint Control Arms - Heavy duty adjustable upper control arms feature RockJock Johnny Joints, the original and most durable high-articulation urethane suspension joint on the market. Johnny Joints feature a smooth steel ball that pivots inside a proprietary urethane shell to provide over 30 degrees (per joint) of quiet, shock dampening articulation - without the excessive deflection found in soft rubber-based flex joints. Johnny Joints are so trusted, that they are used by multiple commercial suspension companies, for both street and off-road suspension systems. Learn more here.
Johnny Joint Trac Bars - Heavy duty adjustable length Trac Bars included are our forged chromoly, organically shaped front bar and our chromoly rear bar. Our Trac Bars combine a precise fit with increased strength and adjustable length to perfectly center front and rear axles under the vehicle.

High-articulation Johnny Joint ends provide maximum durability and suspension flex.

Optional Add-On Components - Add-on components enable the RockJock Pro Edition Suspension Lift to be customized for increased off-road capabilities and tuning.

Shock Packages - Select from a range of performance shocks with race-proven technology from Bilstein, Fox and King to meet your requirements.
Antirock Sway Bars - The most popular off-road sway bar on the market enhances off-road driving capabilities with balanced performance of front and rear suspension in rugged off-road conditions. Off-road traction is improved with increased suspension flex and by equalizing and distributing the weight of the vehicle over all four tires - without the overly loose feeling created by sway bar disconnects.
Currectlync Steering System - For maximum strength, reliability and confidence off-road, upgrade your steering!
Geometry Correction Brackets - Depending on your usage and application, check out our Geometry Correction Bracket sets and see if they are for you.
Axle Housing Johnny Joints - Adding this simple kit to your Pro Edition Suspension System converts 2 more pivoting points in your suspension to high articulation Johnny Joint rod ends.

Lift Details - The RockJock Suspension System provides 3.5 in. of suspension lift.

Actual lift height may vary due to factory build specs. and added equipment and accessories.

Tire Fitment:

37 in. tires - no inner fender modification necessary
38 in. or larger tires - aftermarket high-clearance fenders suggested/required

Wheel Backspace: 4.5 in. wheel backspace is recommended for all tire sizes

Parts List:

• Front Coil Springs: RJ-154101-101
• Front Coil Spring Shim: RJ-107100-3
• Rear Coil Springs: RJ-144402-101
• Johnny Joint Front Upper Control Arms: CE-9818FUA
• Johnny Joint Front Lower Control Arms: CE-9818FLA
• Johnny Joint Rear Upper Control Arms: CE-9807RUA
• Johnny Joint Rear Lower Control Arms: CE-9807RLA
• Johnny Joint Front Trac Bar: RJ-9120FJLF
• Johnny Joint Rear Trac Bar: CE-9120RJL
• Rear Trac Bar Geometry Correction Bracket: RJ-141402-101
• Front Bump Stop Kit: CE-9818FBSK
• Rear Bump Stop Kit: CE-9818RBSK
• Front Adjustable Sway Bar Links: RJ-243100-103
• Rear Adjustable Sway Bar Links: RJ-203002-101
• Front Brake Line Relocation Brackets: RJ-141300-101

RockJock's 1 5/8 inch diameter heat treated 4130 chrome moly steel drag link tube only from their JK-9703 JK Modular Extreme Currectlync steering system. Features massive 1 1/4 inch RH/LH threads, machined in wrench flats and a semi-gloss black finish.

RockJock's 1 5/8 inch diameter heat treated 4130 chrome moly steel tie rod tube only from their JK-9703 JK Modular Extreme Currectlync steering system. Features massive 1 1/4 inch RH/LH threads, machined in wrench flats and a semi-gloss black finish.

RockJock's complete set of 4 Johnny Joint adjustable length control arms for 2021-up Broncos provides length adjustability on all 4 arms, allowing the pinion angle be adjusted after a lift is installed. Additionally, the adjustable feature of our arms allows your vehicle to be upgraded to different lift amounts without having to replace the control arms in the future.

To allow complete unrestricted movement, RockJock's Johnny Joint rod ends used at both ends of all of the arms. Arms are 1.625 inch o.d. x .250 inch wall DOM steel tubing and feature 1 1/4 inch-12 RH/LH threaded adjuster ends, allowing pinion angle to be adjusted without either end of the arm having to be removed from the chassis!

All arms are powder coated semi-gloss black, and are fitted zerk fittings for greasing.

RockJock's RockNut Billet Aluminum Johnny Joint Control Arm Set for the 2021-up Bronco provides you with extremely heavy duty upper and lower, adjustable length control arms to replace your factory control arms.

Adjustable control arms are a must for aligning lifted vehicles to get your pinion angle specs. in check - and double adjustable arms make this job that much easier because neither end of the arm has to be removed from the vehicle for adjustment!

These arms are CNC machined from 7075-T6 aluminum, feature our patent pending RockNut locking nut technology and our 2 1/2 inch Johnny Joints with massive 1 1/4 inch RH and LH threads!

Arms are fully greasable, fully adjustable and feature machined-in wrench flats. Finished in clear anodize on the arms and gold zinc plating on the Johnny Joint ends.

Kit Fits:

• 2021-up Bronco - All Models

Kit Includes:

• Johnny Joint Billet Aluminum Rear Upper Control Arms (Pair)
• Johnny Joint Billet Aluminum Rear Lower Control Arms (Pair)

Adjustment Range:

• Upper Arms Closed - 13.900 in.
• Upper Arms Extended - 16.000 in.
• Lower Arms Closed - 25.100 in.
• Lower Arms Extended - 27.000 in.

Notes:

• Factory hardware is retained to attach arms to the axle and the chassis.
• Upper arms are fabricated from 1 5/8 in. solid 7075-T6 aluminum bar.
• Upper Arm RockNuts require a 1 3/4 in. wrench
• Upper Arm wrench flats require a 1 1/2 in. wrench.
• Lower arms are fabricated from 2 in. solid 7075-T6 aluminum bar.
• Lower Arm RockNuts require a 1 7/8 in. wrench
• Lower Arm wrench flats require a 1 3/4 in. wrench.
• Adjusters feature 1 1/4 in.-12 RH and LH threads.
• Johnny Joint ends are fully rebuildable - should the need arise.

RockJock's Driver Lift Kit for JK Wranglers, 2-door) provides 4 inches of lift and allows for efficient clearance of up to 37 inch tall tires, with minor trimming, larger tires will require aftermarket fenders).

This kit is comprised of only the highest end components in the areas of strength, fit, finish, function, and the engineering to back them. This kit is more than sufficient for those who want to lift their daily vehicle, install big tires and maybe hit some dirt roads while Overlanding.

Included in this kit are geometry correction brackets that will restore drivability to stock feel after lifting, so everyday driving we be just as pleasurable as it was before the lift, a set of 4 progressively wound coil springs, front and rear bump stop kits, front and rear brake line relocation bracket kits, front and rear trac bar geometry correction kits, relocation kit for the bottoms of the rear shocks, extended sway bar links and a dropped pitman arm.

For those who intend to do more serious 4 wheeling and rock crawling, you'll want to look at all of the upgrade parts that RockJock has to offer that can be added to this kit to get your vehicle to it's full potential.

Next level offerings such as Johnny Joint adjustable control arms, Antirock Sway Bars and Currectlync Heavy Duty Steering are a must for serious off-roading! Shock options to suite this kit are available from all of the top suppliers.

RockJock's Driver Lift Kit for JK Wrangler Unlimiteds, 4-door) provides 4 inches of lift and allows for efficient clearance of up to 37 inch tall tires, with minor trimming, larger tires will require aftermarket fenders).

This kit is comprised of only the highest end components in the areas of strength, fit, finish, function, and the engineering to back them. This kit is more than sufficient for those who want to lift their daily vehicle, install big tires and maybe hit some dirt roads while Overlanding.

Included in this kit are geometry correction brackets that will restore drivability to stock feel after lifting, so everyday driving we be just as pleasurable as it was before the lift, a set of 4 progressively wound coil springs, front and rear bump stop kits, front and rear brake line relocation bracket kits, front and rear trac bar geometry correction kits, relocation kit for the bottoms of the rear shocks, extended sway bar links and a dropped pitman arm.

For those who intend to do more serious 4 wheeling and rock crawling, you'll want to look at all of the upgrade parts that RockJock has to offer that can be added to this kit to get your vehicle to it's full potential.

Next level offerings such as Johnny Joint adjustable control arms, Antirock Sway Bars and Currectlync Heavy Duty Steering are a must for serious off-roading! Shock options to suite this kit are available from all of the top suppliers.

RockJock's Driver Lift Kit for JL Wrangler Unlimiteds, 4-door) with the 392 Hemi engine provides 3 1/2 inches of lift and allows for efficient clearance of up to 37 inch tall tires, with minor trimming, larger tires will require aftermarket fenders).

This kit is comprised of only the highest end components in the areas of strength, fit, finish, function, and the engineering to back them. This kit is more than sufficient for those who want to lift their daily vehicle, install big tires and maybe hit some dirt roads while Overlanding.

Included in this kit are geometry correction brackets that will restore drivability to stock feel after lifting, so everyday driving we be just as pleasurable as it was before the lift, a set of 4 progressively wound coil springs including one front and one rear coil spring shim, front, 392 specific) and rear bump stop kits, Johnny Joint adjustable front trac bar, 392 specific rear trac bar geometry relocation bracket, front and rear adjustable extended sway bar links and front brake line relocation brackets.

For those who intend to do more serious 4 wheeling and rock crawling, you'll want to look at all of the upgrade parts that RockJock has to offer that can be added to this kit to get your vehicle to it's full potential.

Next level offerings such as Johnny Joint adjustable control arms, Antirock Sway Bars and Currectlync Heavy Duty Steering are a must for serious off-roading! Shock options to suite this kit are available from all of the top suppliers.

RockJock's Driver Lift Kit for JL Wrangler Unlimiteds, 4-door) with the diesel engine provides 3 1/2 inches of lift and allows for efficient clearance of up to 37 inch tall tires, with minor trimming, larger tires will require aftermarket fenders).

This kit is comprised of only the highest end components in the areas of strength, fit, finish, function, and the engineering to back them. This kit is more than sufficient for those who want to lift their daily vehicle, install big tires and maybe hit some dirt roads while Overlanding.

Included in this kit are geometry correction brackets that will restore drivability to stock feel after lifting, so everyday driving we be just as pleasurable as it was before the lift, a set of 4 progressively wound coil springs including one front and one rear coil spring shim, front, diesel specific) and rear bump stop kits, Johnny Joint adjustable front trac bar, rear trac bar geometry relocation bracket, front and rear adjustable extended sway bar links and front brake line relocation brackets.

For those who intend to do more serious 4 wheeling and rock crawling, you'll want to look at all of the upgrade parts that RockJock has to offer that can be added to this kit to get your vehicle to it's full potential.

Next level offerings such as Johnny Joint adjustable control arms, Antirock Sway Bars and Currectlync Heavy Duty Steering are a must for serious off-roading! Shock options to suite this kit are available from all of the top suppliers.

RockJock's Driver Lift Kit for JL Wrangler Unlimiteds, 4-door) with gas, non-392) engines provides 3 1/2 inches of lift and allows for efficient clearance of up to 37 inch tall tires, with minor trimming, larger tires will require aftermarket fenders).

This kit is comprised of only the highest end components in the areas of strength, fit, finish, function, and the engineering to back them. This kit is more than sufficient for those who want to lift their daily vehicle, install big tires and maybe hit some dirt roads while Overlanding.

Included in this kit are geometry correction brackets that will restore drivability to stock feel after lifting, so everyday driving we be just as pleasurable as it was before the lift, a set of 4 progressively wound coil springs including one front and one rear coil spring shim, front and rear bump stop kits, Johnny Joint adjustable front trac bar, rear trac bar geometry relocation bracket, front and rear adjustable extended sway bar links and front brake line relocation brackets.

For those who intend to do more serious 4 wheeling and rock crawling, you'll want to look at all of the upgrade parts that RockJock has to offer that can be added to this kit to get your vehicle to it's full potential.

Next level offerings such as Johnny Joint adjustable control arms, Antirock Sway Bars and Currectlync Heavy Duty Steering are a must for serious off-roading! Shock options to suite this kit are available from all of the top suppliers.

RockJock's Sport Edition Johnny Joint Suspension System for JK Wranglers, 2-door) provides 4 inches of lift and allows for efficient clearance of up to 37 inch tall tires, with minor trimming, larger tires will require aftermarket fenders).

This kit is comprised of only the highest end components in the areas of strength, fit, finish, function, and the engineering to back them. This kit is more than sufficient for those who want to lift their vehicle, install big tires and hit some trails on the weekend!

Included in this kit are front upper and rear upper Johnny Joint adjustable control arms, set of 4 progressively wound coil springs, front and rear bump stop kits, front and rear brake line relocation bracket kits, front and rear trac bar geometry correction bracket kits, relocation kit for the bottoms of the rear shocks, extended sway bar links and a dropped pitman arm.

For those who intend to do more serious 4 wheeling and rock crawling, you'll want to look at all of the upgrade parts that RockJock has to offer that can be added to this kit to get your vehicle to it's full potential.

Next level offerings such as Johnny Joint lower control arms, Antirock Sway Bars and Currectlync Heavy Duty Steering are a must for serious off-roading! Shock options to suite this kit are available from all of the top suppliers.

Note: 2012 and newer models will most likely require exhaust modifications to allow for full suspension down travel.

RockJock's Pro Edition Johnny Joint Suspension System for JK Wranglers, 2-door) provides 4 inches of lift and allows for efficient clearance of up to 37 inch tall tires, with minor trimming, larger tires will require aftermarket fenders).

This kit is comprised of only the highest end components in the areas of strength, fit, finish, function, and the engineering to back them. This kit is designed specifically for the serious off-roader who not only wants to lift their vehicle and install big tires, but also wants to tackle the toughest trails in the country with confidence and ease.

Included in this kit is the full set of 8 Johnny Joint adjustable control arms, set of 4 progressively wound coil springs, front and rear bump stop kits, Johnny Joint adjustable front and rear trac bars, front and rear trac bar geometry correction bracket kits, front and rear brake line relocation bracket kits, relocation kit for the bottoms of the rear shocks, extended sway bar links and a dropped pitman arm.

For the ultimate off roading package, you'll want to look at all of the upgrade parts that RockJock has to offer that can be added to this kit to finish this build off! Next level offerings such Antirock Sway Bars and Currectlync Heavy Duty Steering are a must for serious off-roading!

Shock options to suite this kit are available from all of the top suppliers.

Note: 2012 and newer models will most likely require exhaust modifications to allow for full suspension down travel.