HKS Adjustable Spring Kit

2020–2026 Toyota GR Supra (A90)

80280-AT001

Overview:

The HKS Adjustable Spring Kit is engineered specifically for the 2020–2026 Toyota GR Supra (A90), offering a refined suspension upgrade that enhances both handling and ride quality. Designed to complement the Supra’s sophisticated electronic damping control system, this kit allows drivers to lower their vehicle while retaining the factory’s adaptive suspension benefits. It provides adjustable ride height, enabling a tailored stance and improved road feel without compromising daily drivability.

Ideal for enthusiasts seeking a sportier driving experience, the HKS Adjustable Spring Kit delivers a balanced combination of performance and comfort. By lowering the center of gravity and stiffening the suspension, it sharpens cornering response and reduces body roll, making it perfect for spirited street driving and occasional track use.

Key Features:

This adjustable spring kit offers precise tuning options and high-quality components designed for the Toyota GR Supra:

• Front height adjustment range from -25mm to -45mm for customizable lowering
• Rear height adjustment range from 0mm to -50mm to achieve optimal stance
• Front spring rate of 42.6 N/mm for improved front-end stability
• Rear spring rate of 116.8 N/mm to enhance rear grip and handling
• Maintains compatibility with the Supra’s stock electronic damping control system
• Includes height adjusters for easy and precise ride height tuning
• Designed to improve overall vehicle dynamics without sacrificing comfort
• Requires front bump rubber modification for proper installation
• Packers included for front height settings of 21mm or more

Construction & Design:

The HKS Adjustable Spring Kit is crafted from high-quality spring steel, engineered for durability and consistent performance under demanding conditions. The springs are precision wound to exact specifications, ensuring reliable spring rates and long-lasting resilience. The height adjusters are robust and user-friendly, allowing for quick and secure ride height changes without the need for complex tools or disassembly.

HKS’s design philosophy focuses on preserving the Supra’s advanced suspension technology while providing enhanced tuning flexibility. This approach ensures that the vehicle’s electronic damping system continues to operate as intended, delivering a smooth and controlled ride even after lowering.

Installation & Fitment:

Installation of the HKS Adjustable Spring Kit is straightforward for experienced technicians familiar with suspension components. The kit is a direct fit for the 2020–2026 Toyota GR Supra (A90), but note that the front bump rubber requires processing to accommodate the new spring setup. Additionally, packers are necessary when setting the front ride height to 21mm or more to maintain proper suspension geometry and prevent unwanted noise or damage.

Proper installation ensures optimal performance and safety, so professional installation is recommended. Once installed, the adjustable springs allow for easy ride height tuning to suit personal preferences or driving conditions.

What's Included:

• 1 x HKS HM Touring Adjustable Spring Kit (front and rear springs)
• Height adjusters for front and rear suspension
• Packers for front height adjustment (when applicable)
• Installation instructions and hardware

Ideal For:

The HKS Adjustable Spring Kit is perfect for Toyota GR Supra owners who want to enhance their vehicle’s handling and appearance without sacrificing ride comfort or electronic suspension functionality. It suits enthusiasts who enjoy spirited driving on both street and track, as well as those seeking a more aggressive stance with customizable ride height options.