2021+ Tesla Model S / Model X Rear Sealed Spherical Bushing Upgrade Kit – Reduces Alignment Drift & Uneven Rear Tire Wear (Pikes Peak Spec, 6-pc)
$1,326.50
Enhance the handling precision of your Tesla Model S or Model X with the UP Pikes Peak Spec Rear Sealed Spherical 6-pc Bushing Upgrade Kit. Engineered for drivers who demand sharper response, improved stability, and consistent performance, this kit transforms rear suspension feedback while maintaining long-term reliability through sealed, motorsport-grade bearings.
- Eliminates unwanted suspension deflection for improved cornering stability
- Sealed spherical design resists contamination and ensures smooth operation
- Optimized for spirited driving, track use, and alignment consistency
- Direct fit for 2021+ Tesla Model S and Model X
Buy this product and earn 1326.5 UP Points.
Product Details
Reduce Rear Tire Wear and Alignment Drift on Your Tesla Model S or Model X
If you own a 2021 or newer Tesla Model S or Model X, you may have noticed your rear tires wearing unevenly, your alignment drifting out of spec between service visits, or a slightly vague, floaty feeling in the rear end during cornering. You are not imagining it, and you are not alone. These are among the most commonly reported suspension complaints from Model S and Model X owners, and they share a single root cause: the factory rubber suspension bushings.
Why the Factory Rubber Bushings Are a Weak Point
The Model S and Model X are remarkably heavy vehicles, and the Plaid’s instant torque puts enormous load through the rear suspension. The rear toe links and upper camber arm rely on soft rubber bushings that are designed to flex. Under hard acceleration, cornering, and the sheer mass of the car, that rubber deflects, letting the rear wheels move out of their intended position. Over time the rubber also hardens and wears. The result is a rear axle that is constantly shifting under load, which translates directly into alignment that will not stay put and rear tires that scrub and wear far sooner than they should. For many owners, no amount of re-alignment solves the problem, because the alignment keeps chasing itself every time load is applied.
How the Pikes Peak Spec Kit Fixes It
The Pikes Peak Spec Rear Sealed Spherical 6-pc Bushing Upgrade Kit replaces those six compliant rubber bushings with sealed, motorsport-grade spherical bearings. A spherical bearing pivots precisely where the suspension is meant to move while eliminating the unwanted flex in every other direction. That means the rear wheels stay where the alignment places them, acceleration and cornering loads no longer push the geometry around, and your tires wear evenly across their full life. Because the bearings are sealed, they retain their lubrication and resist dirt, water, and road contamination, so they deliver this precision consistently for the long haul rather than degrading like rubber does.
Performance You Can Feel
The handling benefit is immediate and noticeable. Reducing deflection translates your steering and throttle inputs directly into movement, giving the rear end a crisper, more connected response. Mid-corner composure improves, the chassis feels more planted and stable under spirited driving, and alignment retention holds mile after mile. It is the difference between a rear end that reacts and one that obeys.
Born From Pikes Peak
The “Pikes Peak Spec” name reflects Unplugged Performance’s motorsport development heritage. UP’s “Dark Helmet” Model S Plaid race car competed at the famed Pikes Peak International Hill Climb, setting a modified-EV record on the 12.42-mile, 14,115-foot climb. The engineering goal of this kit is exactly what that environment demands: a rear end that stays composed under extreme, sustained load. The name points to that development focus and the motorsport-grade sealed bearings inside, rather than to any formal certification.
What’s Included & Fitment
The kit includes a complete set of six sealed spherical rear bushings, engineered and crafted for durability and precision. It is a direct fit for the Tesla Model S (2021 to 2026+) and Tesla Model X (2021 to 2026+). Installation is straightforward for experienced enthusiasts and professional shops, and in-store professional installation by the Unplugged Performance team is available for owners local to the Los Angeles area.
Stop fighting your alignment and replacing rear tires early. Upgrade to the precision, durability, and track-proven composure of the Pikes Peak Spec kit.
Need help?
Find an installer
How hard is this to install?
It is described as easy to install for experienced enthusiasts or professionals, since pressing spherical bushings is involved work best suited to someone comfortable with suspension. In-store installation by our Hawthorne team is available for owners local to Los Angeles. Whichever route you take, plan for an alignment afterward, because changing bushings changes how the rear sits.
Will this make my Model S or Model X ride harshly?
Spherical bushings transmit a bit more road feel than compliant rubber, since that directness is exactly what removes the vague, disconnected sensation. The trade is a firmer, more communicative rear end rather than a punishing one, and running a lighter forged wheel such as our Model S / Model X UP-04 wheels drops unsprung mass to keep that firmer setup composed over bumps. If your priority is the softest possible ride, know that any deflection-reducing upgrade tightens the car up somewhat.
Sealed spherical bushings versus upgraded rubber or poly, which is better?
Rubber and polyurethane still flex and can introduce compliance, which softens response and lets alignment move. Sealed spherical bearings lock that motion out for the sharpest, most consistent rear end, and the seal keeps them durable where an open spherical would collect grit. If you want maximum precision and alignment stability, spherical is the top tier. If you want quiet comfort above all, softer bushings ride more forgivingly.
Will these hold up on the street, or are sealed bearings only for track cars?
They are built for both. The bearings are sealed specifically so they retain lubrication and resist contamination, which is what gives spherical bushings long-term consistency on the road instead of wearing out quickly. The kit is described as optimized for spirited driving, track use, and alignment consistency. So a Model S or X that sees canyon runs and daily miles benefits from it, and the payoff is not reserved for a dedicated track car.
Do these actually help alignment hold, or just handling?
Both, and they are linked. By minimizing unwanted suspension movement, the kit improves alignment retention, so your settings stay put mile after mile instead of drifting as rubber flexes and ages. The handling gain, crisper rear response and better mid-corner stability, comes from that same reduction in deflection. Owners report the upgrade results in better handling and alignment, which tracks with what removing compliance does.
