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Difficulty Level: 2/5
Time: 2-3 hours for both arm sets

Table of Contents

Parts List

FRONT LOWER COMPLIANCE FORE ARMS  

  • 2x UP Compliance Fore Arm Assembly – with UP Spherical Bushings UP-MSMX-397-1.1
  • 2x Outer Joint Nut – M14-1.5 (22mm Nord Lock locking nut)

FRONT LOWER LATERAL AFT ARMS 

  • 2x UP Lateral Aft Arm – with UP Spherical Bushings UP-MSMX-398-1.1
  • 2x Outer Joint Nut – M14-1.5 (22mm Nord Lock locking nut)

Tools List

  • Jack Stands / Floor Jacks (or Shop Service Lift)
  • Ratchet with 10mm socket
  • Small pry tool
  • 21mm Wrench and Socket
  • 22mm Wrench and Socket
  • T45 Torx Socket
  • Torque Wrench rated for at least 180mn/132 ft-lbs
  • Chalk Paint Marker

Torque Specs

Component Torque Spec
Compliance Fore Arm Hub Nord Lock Nut 180 Nm / 132 lb-ft
Compliance Fore Subframe Bolt 115 Nm / 84 lb-ft

 

Component Torque Spec
Lateral Aft Hub Nord Lock Nut 180 Nm / 132 lb-ft
Lateral Aft Subframe Side Bolt and Nut 115 Nm / 84 lb-ft
Lateral Aft Shock Fork Mount 106 Nm / 78 lb-ft
READ CAREFULLY – THIS AFFECTS YOUR LEGAL RIGHTS

Release of liability and product warranty

This product carries a lifetime warranty against mechanical failure or corrosion. It can be exchanged for an identical item, or a similar item as determined by Unplugged Performance. It may not be returned for cash or credit. There is no warranty regarding surface imperfections or aesthetic damage incurred during regular use, and/or damage to the brackets from an impact or other unusual driving circumstance.

By installing or using this product, you understand and agree with the following: If you do not agree, do not proceed with the installation and return this product within 30 days for a full refund of the purchase price from the company from which you have purchased it.

  1. I understand and agree that this product is intended to be installed for use on private roads and in jurisdictions where the use of this product is deemed legal by the local authorities. Furthermore, I understand and agree Unplugged Performance does not have any knowledge or control of regulations in my local jurisdiction, and it is up to me to determine if the product is acceptable for use with my vehicle.
  2. I understand that Unplugged Performance has done testing of this product on road and on closed racetracks but does not have the ability to test the vehicle for localized standards and regulations.
  3. I understand and agree that if the vehicle manufacturer determines that any Unplugged Performance products have contributed to a problem with the vehicle it may affect the vehicle’s warranty. Furthermore, I understand and agree that Unplugged Performance has no duty nor ability to be involved in internal manufacturer decisions.
  4. I understand and agree that if this product is given to an installer for installation on my vehicle, I have read and agreed with all the previous, even if I am not personally installing these parts on my vehicle. Furthermore, I understand and agree that this product should be installed by a trained professional that is familiar with both the vehicle as well as this product. Furthermore, I understand and agree that I and/or my chosen installer will follow the installation instructions carefully and dutifully test the vehicle post-installation in a safe and controlled environment to ensure proper operation.
  5. I understand and agree that by installing this product Unplugged Performance and all associated persons and entities as well as the vehicle manufacturer and all associated entities must be held harmless in the event of any suit, damages, or other legal action. Furthermore, I hereby release Unplugged Performance and any associated entities from any and all liability for any potential claim or claims.

If you do not agree with any of the above statements, you should return the product immediately. For more information please see our Terms and Conditions

Step 1

Raise and support the vehicle and remove the front wheels

Raise and support the vehicle and remove the front wheels

Before raising the vehicle, set the vehicle in Jack Mode under Service Settings in the display. Using a floor jack and jack stands (or shop lift if available), safely and securing raise the vehicle and support it.

Front Lower Compliance Fore & Lateral Aft Arms with Spherical Bushings Installation Image 1

Using a 21mm socket, remove the 5 lugs and front wheels from the vehicle.

Front Lower Compliance Fore & Lateral Aft Arms with Spherical Bushings Image 2

Step 2

Remove the front underbody panel

Remove the five 10mm bolts and push clips for the underbody panel of the vehicle that is near the suspension components.

Front Lower Compliance Fore & Lateral Aft Arms with Spherical Bushings Image 3 Front Lower Compliance Fore & Lateral Aft Arms with Spherical Bushings Image 4 Front Lower Compliance Fore & Lateral Aft Arms with Spherical Bushings Image 5 Front Lower Compliance Fore & Lateral Aft Arms with Spherical Bushings Image 6

Step 3

Remove the factory Lower Compliance Fore Arms

To retain approximate alignment specs after reassembly, use chalk paint or a marker to mark the position of the face of the eccentric washer and subframe.

To retain approximate alignment specs after reassembly, use chalk paint or a marker to mark the position of the face of the eccentric washer and subframe

Loosen the 21mm bolt and 22mm nut at the subframe mounting point. Do not remove the nut and bolt yet.

Next, using a T45 torx socket and a 22mm wrench, loosen the nut that attaches the arm’s ball joint on the underside of the hub knuckle.

Using a T45 torx socket and a 22mm wrench, loosen the nut that attaches the arm’s ball joint on the underside of the hub knuckle

Finally, remove the nut and pull the bolt out from the other end while supporting or holding the arm in place to prevent it from swinging down.

Once all nuts and bolts are loose and removed, carefully work the arm loose from the hub lifting upward and then down and out from the subframe.

Step 4

Install the UP Front Lower Compliance Fore Arms with Spherical Bushings

Install using the same process as removal in the opposite order. Position the new Unplugged Performance Front Lower Compliance Fore Arm into place by inserting the ball joint into the hub side first.

Position the new Unplugged Performance Front Lower Compliance Fore Arm into place by inserting the ball joint into the hub side first Image 1 Position the new Unplugged Performance Front Lower Compliance Fore Arm into place by inserting the ball joint into the hub side first Image 2

Next, lift the arm into place at the subframe end and secure it by inserting the 21mm bolt.

Use the supplied Nord Lock Nut (locking nut) at the hub side and hand tighten all hardware.

Be sure to align the eccentric bolt markings made in step 3.

Position the new Unplugged Performance Front Lower Compliance Fore Arm into place by inserting the ball joint into the hub side first Image 3 Position the new Unplugged Performance Front Lower Compliance Fore Arm into place by inserting the ball joint into the hub side first Image 4

Step 5

Torque hardware to spec to complete installation of the Front Lower Compliance Fore Arms

To prevent added tension to the arms and bushings at the mounting points, lift the hub assembly using a floor jack (or transmission jack if car is on a lift) into the loaded position. This is generally where the suspension will rest when the vehicle is on the ground under its own weight.

Torque hardware to spec to complete installation of the Front Lower Compliance Fore Arm:

Subframe – Using a 21mm wrench on the bolt, and a torque wrench with a 22mm socket on the nut, tighten the inner subframe side to 115 Nm (84.8 lbs-ft)

Hub – Using a torque wrench with a 22mm socket tighten the provided lower Nord Lock nut at the hub to 180 Nm (132.7 lbs-ft)

Using a torque wrench with a 22mm socket tighten the provided lower Nord Lock nut at the hub to 180 Nm (132.7 lbs-ft) Image 1

Once the hardware is torqued to spec, lower the hub assembly.

You have now installed the Front Lower Compliance Fore Arms and are ready to move to the Front Lower Lateral Aft Arm.

Step 6

Remove the factory Front Lower Lateral Aft Arms

To retain approximate alignment specs after reassembly, use chalk paint or a marker to mark the position of the face of the eccentric washer and subframe.

Loosen the hardware at the three mounting points for the arms, but do not remove it yet. Using a 21mm socket and/or wrench, loosen the bolt and nut securing the strut fork mount. Next, using a T45 torx socket and a 22mm wrench, loosen the nut that attaches the ball joint to the knuckle hub. Lastly, loosen the 21mm bolt and 22mm nut at the subframe mounting point.

Remove the factory Front Lower Lateral Aft Arms Image 1 Remove the factory Front Lower Lateral Aft Arms Image 2 Remove the factory Front Lower Lateral Aft Arms Image 3

Once all hardware has been loosened, continue with the removal of all the hardware, securely holding the arm up to prevent it from swinging down or dropping. Carefully work the arm loose from the hub, lifting upward, tilting down, and out from the subframe.

Remove the factory Front Lower Lateral Aft Arms Image 4 Remove the factory Front Lower Lateral Aft Arms Image 5

Step 7

Install the UP Front Lower Lateral Aft Arms with Spherical Bushings

The installation is the reverse of the removal process. First, position the Unplugged Performance Front Lower Lateral Aft Arm into place by inserting the ball joint into the hub first.

Install the UP Front Lower Lateral Aft Arms with Spherical Bushings Image 1

Then, lift the arm into place at the strut fork and subframe mount and insert the 21mm bolts into each.

Secure the bolts with nuts, and hand tighten the provided 22mm Nord Lock nut at the hub. Be sure to align the eccentric bolt markings made in step 6 at the subframe so that the alignment is not grossly off to prevent driving to an alignment shop/rack.

Install the UP Front Lower Lateral Aft Arms with Spherical Bushings Image 2 Install the UP Front Lower Lateral Aft Arms with Spherical Bushings Image 3

Step 8

Torque down the hardware to spec to complete installation of the UP Front Lower Lateral Aft Arms

To prevent added tension to the arms and bushings at the mounting points, lift the hub assembly using a floor jack (or transmission jack if car is on a lift) into the loaded position. This is generally where the suspension will rest when the vehicle is on the ground under its own weight.

Subframe – Using a 21mm wrench on the bolt, and a torque wrench with a 22mm socket on the nut, tighten the inner subframe side to 115 Nm (84.8 lbs-ft)

Torque down the hardware to spec to complete installation of the UP Front Lower Lateral Aft Arms Image 1

Hub – Using a torque wrench with a 22mm socket tighten the provided lower Nord Lock nut at the hub to 180 Nm (132.7 lbs-ft)

Torque down the hardware to spec to complete installation of the UP Front Lower Lateral Aft Arms Image 2

Strut Fork – Using a 21mm wrench on the bolt, and a torque wrench with a 21mm socket on the nut, tighten the strut lower fork mount 21mm nut and bolt to 106 Nm (78 lb-ft)

Torque down the hardware to spec to complete installation of the UP Front Lower Lateral Aft Arms Image 3

Once the hardware is torqued to spec, lower the hub assembly. You have now completed the installation of the Front Lower Lateral Aft Arms and are ready to move to the Front Lower Lateral Aft Arm.

Step 9

Install the underbody panel

Using the reverse process from removal, reinstall the 10mm bolts and clips that attach the underbody panel to the vehicle.

Step 10

Install the wheels and lower the vehicle

Mount the wheels and securely tighten the 5 lug nuts. You’ll torque the lug nuts in step 11 once the vehicle is on the ground.

Ensure vehicle components are secure and clear the underside of the vehicle of all tools and components. Lower the vehicle off the jackstands or service lift. On the car’s display, turn off Jack Mode in the Service Settings.

Step 11

Torque wheel lug nuts

With the car on the ground on its own weight, torque all the wheel lug nuts down to 175 Nm (129 lb-ft)

Step 12

Proceed to complete a 4-wheel alignment

Because alignment components were removed and/or adjusted as a result of this installation process, your vehicle will require an alignment to ensure drivability and tire wear are optimized.

It is recommended during the alignment process to unload the tension on bushings by loosening the hardware at each joint and retorquing to spec while the vehicle is on the alignment rack.

Thank you for choosing Unplugged Performance. If you have questions about this product or the installation process, please contact us via phone, email, or via our website.

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WHAT OUR CUSTOMERS SAY

RATED 4.96 (250 REVIEWS)
LEAVE A REVIEW

With real reviews from real customers, shop UP products for your Tesla Model S, 3, X, Y and Cybertruck with confidence. Leave reviews and earn up to 2000 UP Rewards points each, redeemable towards exclusive UP Products.

What a difference this sway bar made to my Model S Plaid. This helps correct the body roll the car has from the factory. I have much more confidence taking turns at a higher speed, and freeway on-ramps have become extremely fun. I would highly recommend upgrading your sway bar in the Model S!
D. H. September 08, 2022
I bought 2023 Tesla Model Y in December 2022 and immediately noticed rough and bumpy ride. I contacted Tesla service, assuming that something is broken, but they confirmed that this is how stock suspension supposed to feel. Fortunately an aftermarket solution exists. I ordered Luxury Coilover Kit...
dmitryshnayder July 12, 2023
Dominic Marcu - Racing Driver perfect! with their help I can have the desired setup for the competition car. the car becomes more rigid and stable
Dominic M. April 12, 2023
I included these with my UP / BBS Flugplatz wheels purchase for my Model Y. The burnt titanium contrasts well with the matte finish of the rims (and other darker styles, I would guess). Overall adds to a clean look and smooth ride.
p.flores September 16, 2022
I have been using my 2021 Model Y Long Range with the UPP Sway Bars for a bit over a week now and I can say that from the process from ordering to finally driving my car around has been extremely painless. I ordered my sway bars and a immedietly I was in contact with customer support to ensure that...
saketh.kollu October 03, 2022
I purchased a set of both Titanium and Black UP emblems. The emblems are well designed, looks great and perfect on the car. Highly recommended and will definitely purchase more soon. Image: https://www.instagram.com/p/Cvn7VFtvZu0/
f1dinesh August 07, 2023
I really like this rear sway bar on my 2021 Model S Plaid. On the street it tightens up the car a lot. The car corners "flatter" and "feels" like the car has more grip and inspires confidence. I installed this in my driveway with the rear up on jack stands. It wasn't hard at all. I opted for...
Jpandes October 13, 2025
Amazing and top tier wheels that look great and are on a different level compared to OEM wheels.
Christian N. December 12, 2025
Peace of mind for the wheels to stay protected.
Christian N. December 12, 2025
Very quick installation and everyone was great with getting this setup and installed right away. Could feel the difference when driving the car and loved added this to my car. Makes the turns and feel more seamless and have better control as well. Thanks for everything!
vietphan October 24, 2022
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Unplugged Performance is the world leader in premium performance upgrades for Tesla vehicles. With our USA-made line of stylish and high-performance parts, our sole focus is on holistic development and improvement of all Tesla cars.
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