Chassis reinforcement guide for Tesla Model X / Model S 2021-On

The Model X is equipped with adaptive air suspension that delivers superior ride comfort and an impressive ability to absorb bumps on the road. By installing Hardrace adjustable rear arms—featuring a precisely engineered billet aluminum body and pillow ball bearings—you can extend tire life and further enhance handling performance.

Hardrace now offers a series of suspension and chassis components for the new Model X and Model S, designed to elevate performance and driving pleasure.

7 Items Available for the Model X / Model S:
ARM

  • Q1300 Rear Upper Camber Kit | Pillow Ball Equipped

  • Q1299 Front Upper Camber Kit | Pillow Ball Equipped | Vehicle Applications: Tesla Model X 2021–On

The camber kit allows for fine adjustments to the front-end camber setting of the vehicle. It can help maximize the wheel contact patch to improve cornering grip or restore your car to its original alignment specifications after lowering, preventing uneven tire wear. The arms are crafted from anodized CNC billet aluminum alloy, offering the highest durability and strength while remaining lightweight. Equipped with premium-quality pillow ball bearings, these components provide a more precise and solid handling response compared to factory parts.

Key Features:

  • Camber adjustability to suit various driving conditions

  • CNC billet aluminum alloy construction

  • Premium-quality pillow ball bearings

  • Improved handling performance

  • Direct OE fitment

Q1302 Rear Toe Kit | Pillow Ball Equipped

The toe kit allows for fine adjustments to the rear toe-in/out settings of the vehicle. It can help achieve desired handling characteristics or restore your car to its original alignment specifications after lowering, preventing uneven tire wear. The arms are made from anodized CNC billet aluminum alloy, offering the highest durability and strength while remaining lightweight. Equipped with premium-quality pillow ball bushings, these components provide a more precise and solid handling response compared to factory parts.

Key Features:

  • Toe adjustability to suit various driving conditions

  • CNC billet aluminum alloy construction

  • Premium-quality pillow ball joints

  • Improved handling performance

  • Direct OE fitment

 

Q1301 Rear Upper Front Arm | Pillow Ball Equipped
Q1303 Rear Lower Front Arm | Pillow Ball Equipped
Q1304 Rear Lower Arm | Pillow Ball Equipped

The adjustable arms allow for fine adjustments to the rear alignment settings of the vehicle. They can help achieve desired handling characteristics or restore your car to its original alignment specifications after lowering. Made from anodized CNC billet aluminum alloy, these arms offer the highest durability and strength while remaining lightweight. Equipped with premium-quality pillow ball bushings, they provide a more precise and solid handling response compared to factory components.

Key Features:

  • Adjustability to suit various driving conditions

  • CNC billet aluminum alloy construction

  • Premium-quality pillow ball joints

  • Improved handling performance

  • Direct OE fitment

SWAY BAR
Q1298 Rear Sway Bar

The sway bar significantly impacts handling and influences the car's oversteer and understeer characteristics. It connects the suspension arms across the front or rear end, keeping your car flat during turns instead of leaning to one side. This design offers better stability and handling response, especially during high-speed driving and cornering.

Key Features:

  • Designed for direct OE replacement

  • Hollow internal structure for reduced weight

  • Heat-treated for enhanced strength and durability

  • Corrects understeer or oversteer tendencies

  • Improves handling performance and stability