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Tesla Model 3 and Model Y Billet Height Adjustable Rear Spring Arms - Ultimate Edition
Tesla Model 3 and Tesla Model Y Billet Height-Adjustable Rear Spring Arms – Ultimate Edition
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Tesla Model 3 and Tesla Model Y Billet Height-Adjustable Rear Spring Arms – Ultimate Edition

$1,395.00 $1,116.00

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No expense spared for the best parts money can buy. Unplugged Performance Billet Height Adjustable Rear Spring Arms – Ultimate Edition: Precision engineered out of lightweight 6061-T6 billet aluminum, these arms allow for rapid rear height adjustments at the racetrack or the alignment shop for corner balancing. Extensive height adjustment range enables lower heights with more spring travel as well as the ability to raise the car above factory heights.

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Product Details Product Details

No Expense Spared Engineering. Creating and Solving The Ultimate Wish List.

When developing these rear spring arms we created a wish-list born out of our racing experience setting lap records at the track as well our experience working on 1000s of customer cars.

Our wish list looked something like this:

– At the race track, rapid ability to increase/decrease ride height with just a jack and a socket wrench

– During corner balancing enabling the ability to perform rapid height adjustments on the spot

– Specific for the Tesla Model Y: Enabling the rear suspension heights to go lower without requiring an immensely short spring with extreme spring rates and reduced spring travel

– Ability to exceed lowest height spring orientation on Model 3 and Model Y allowed with factory spring arms

– Enable rapid raising of the car for winter use or offroading (all Unplugged Performance coilovers have adjustable length shock bodies and have the capability to go higher than factory ride height)

– Reduction of additional parts and weight by eliminating rear spring perch

* Optional rear spring set: Develop a rear spring that is height adjustable without any additional hardware (no bottom perch and no spring top adaptor either)

Results

The above wish list items were all solved over multiple design iterations and testing lasting nearly a full year. In the process, we’ve managed to retain ride quality while going lower than ever possible without compromise on the Model Y rear suspension. We’ve also managed to lift another Model Y to new heights with this same system. We’ve set racing lap records with the Model Y and Model 3 both using these parts and continue to daily drive on them. Throughout all of the testing, we’ve enjoyed newfound ease in setting rear ride height by simply turning the 32mm socket.

Selecting The Right Plan For Your Car

These will rapidly install on any Model 3 or Model Y. If you already have coilovers please verify rear spring ID size with the manufacturer if they are not made by Unplugged. These arms accept 65mm or 2.5” ID which are common spring sizes. Adaptors from 65mm to other larger sizes may be possible by 3rd party as well. A common rear spring length is frequently 7”. These spring arms are compatible with all current-generation Unplugged Performance coilovers and nothing further needs to be purchased to fit. If you do not have coilovers, you will still be able to use these however you’ll need to purchase an appropriate sized rear spring set. We’ve made a special rear spring set for this purpose and we offer it as a plug and play package.

Optional Perch-less Unplugged Performance x Hyperco Rear Coilover Spring Set

One of our wish list items was to have a fully and rapidly adjustable rear ride height without the use of any spring travel inhibiting perches or adaptors. Typically a height-adjustable purchase is required on one end of a spring meanwhile an adaptor is required on the other end of the spring to securely fit coilover springs. We’ve developed a purpose-built rear spring set in a sporty yet every day suited spring rate that requires no adaptors or additional hardware. The bottom of the spring is 65mm and the top of the spring is Tesla Model 3/Y specific shape. This allows unrestricted spring travel, unprecedented fast height adjustment, and the ability to go lower than the factory spring arm allows without the need to go with a shorter spring and less spring travel.

Specifications

  • Machined 6061-T6 Billet Aluminum Construction – insanely strong and beefy
  • Cerakote painted to preserve the natural beauty of the billet machined arms
  • Assembled weight: 7.8lbs per side (when combined with Coilover rear springs allows for weight reduction)
  • Optimized engineering utilizing high precision 3D scanning, CAD modeling, FEA strength analysis and multiple vehicles (3 and Y) race and street driven validation
  • Installs with factory hardware
  • Included set screws front and rear to lock bucket in place
  • Quick adjustment with standard 32mm socket – easy to adjust with hand wrench or standard driver
  • Machined up/down adjustment indicators for ease of use
  • Machined logos
  • Lifetime warranty including off-road and racing use (nontransferable)

Coming Soon

We are developing further add-on’s and optional parts. The first planned optional part is an easy attachment aero shield which can be added easily later on.

30 Day Money Back Guarantee

All of our suspension products are designed to perform flawlessly and to impress. We offer a 30 day no questions asked money back guarantee to stand behind our quality and performance.

200,000 Mile Warranty

These are designed to last longer than your car. To put a number on it, we will warranty these for 200,000 miles (non-transferable).

Reviews Customer Reviews

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      WHAT OUR CUSTOMERS SAY

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      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.

      Christian N. November 28, 2025
      Amazing product that looks great and helps with efficiency! The quality is amazing.
      Christian N. November 27, 2025
      Extremely well built and engineered. Best on the market.
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      The "Road Warrior" Curb Guards work as advertised for the most part. I did not find them to be as "protective" as advertised in all the Youtube and promotional videos. Just a day after I installed my Road Warrior wheels, I hit a curb while turning at a slight angle. This damaged the curb guard as...
      Dean C. November 22, 2025
      Im impressed at the High quality. Love the subtle and clean look.
      Adam M. November 21, 2025
      Love the simple look to this decal
      edgar M. November 21, 2025
      Pretty awful. Package’s held for weeks for incorrect shipping details 700 dollars in import tax and broken products arriving …… very disappointed. Oh and never a timely response or method to contact other than email…..
      Brad November 21, 2025
      Had UP install the HD front bumper with the 11" LEDs. Robust steel construction, makes the truck look more aggressive but lines remain clean. This bumper is what Tesla should have equipped the truck with out of the factory! LEDs are super bright as well. Simply the best looking, best designed,...
      Megatron November 19, 2025
      Had UP install the HD rear bumper with hardcore trailer hitch receiver including flood lights. Utility is awesome, the arms are robustly built and carry my full-size spare, a 20" beadlock wheel with Wildpeak AT4Ws with ease. No rattling whatsoever, the tire is locked in. Swing arms themselves can...
      Megatron November 19, 2025
      Went with the burnt titanium, simply looks gorgeous with the finish!
      Megatron November 19, 2025
      Went with the burnt titanium, simply looks gorgeous with the finish.
      Megatron November 19, 2025
      Robust carbon steel construction. Lines look very clean with the HD front and rear bumper installed. Have not seen a cleaner looking aftermarket rock slider for the CT, love mine!
      Megatron November 19, 2025
      I had another set carbon steel running boards on my Cybertruck for a while and finally got to see the UP Invincible HD Rock Sliders while out at XTakeover this summer. They looked so good and were noticeably more sturdy than what I had on the truck. I replaced mine with a set of these HD Rock...
      Josh H. November 17, 2025
      While the overall weight reduction isn't much in totality, it is noticeably lighter compared to the original lug nuts.
      Josh H. November 17, 2025
      I had an issue of the camber being no longer able to be adjusted to specs. The friends of UP took care of me. Easy to swap as well. Went to a shop yo align it and car is up to specs again and straight as an arrow. Love it! Thank you UP!
      Kamil K. November 16, 2025
      Overall, I'm very happy with the UP Forged Road Warrior 19" Wheels that I got for my new Model Y Juniper. They look great and seem very sturdy. The service and communication from Unplugged was great especially with my salesman, Shahar. It took about 3 months for me to get my wheels but it was worth...
      Dean C. November 12, 2025
      Really nice jacket. A must have for a UP enthusiast!
      Montage Ø. November 12, 2025
      Unplugged Performance installed front/rear sway bars on my Model 3 Performance Highland. The change was instant: less body roll, flatter cornering, better grip, and precise control. It sharped handling without hurting ride comfort. This is a great value and would highly recommended.
      Alex H. November 12, 2025
      I received the lower compliance Aft arms today (fri), after ordering on mon. I wasn't sure I'd have time to install, since I already had a lot on my plate, but this afternoon I had a couple spare hours, it ended up only taking about 45 min, including getting the Tesla on jack stands. my...
      Rob T. November 09, 2025
      Finally!!!! Been waiting on UP to both have a decent Black Friday sale and to have this item on it and whatdoyaknow…..HALF OFF! I wish it was all gray everywhere, but I’ll do the touch up myself and get it 100% how I need it!!!
      Montage Ø. November 07, 2025
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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.
      Unplugged Performance was founded and incubated by the team behind the world-renowned automotive customizer Bulletproof Automotive. Unplugged Performance is the world's leading company focused on the customization and sports performance of Tesla Motors vehicles.
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