HKS Hipermax S Coilovers: Toyota GR Supra (20+)

HKS Hipermax S Coilovers

2020–Present Toyota GR Supra B48 Engine

80300-AT023C

Overview:

The HKS Hipermax S Coilovers are precision-engineered suspension components designed specifically for the Toyota GR Supra (2020 and newer) equipped with the B48 engine. These coilovers deliver an exceptional balance between ride comfort and high-speed stability, making them ideal for enthusiasts who demand both daily drivability and spirited performance. By utilizing advanced damping technology and a carefully tuned setup, the Hipermax S allows drivers to feel precise load transfer and maintain vehicle control even on rough street surfaces or during aggressive driving.

Developed with input from real-world users and tested on boosted B48 engine models with 19-inch high-grip tires, these coilovers offer a customizable suspension experience that adapts to power upgrades, brake enhancements, and tire improvements. Whether lowering the vehicle or optimizing handling, the Hipermax S provides a controllable and responsive ride tailored to the driver’s intentions.

Key Features:

The HKS Hipermax S Coilovers incorporate cutting-edge suspension technology to enhance both comfort and performance. Key features include:

• Dual PVS (Preload Valve System): An evolution of the preload valve system that suppresses unnecessary damping force at higher piston speeds, improving ride comfort without compromising handling.
• Wide Range Damping Force Adjustment: An improved Needle Jet design expands the damping adjustment range, allowing fine-tuning for various driving conditions and modifications.
• Advanced Bump Stop Rubber: Newly shaped bump stop rubber reduces body roll while maintaining ride comfort, outperforming conventional hydro bump stops.
• Low Friction Technology: Utilizes advanced tribology to reduce internal friction and enhance durability, contributing to smoother ride quality and improved handling response.
• Front Inverted Strut Design: Traditional HIPERMAX inverted type with cylinder penetration into the upright mounting for sufficient stroke even when lowered.
• Sliding Pillow Upper Mount: Allows precise camber angle adjustment on the plug-in strut type front suspension.
• Rear Machined Aluminum Upper Plate: Lightweight yet strong design with rubber upper mounts for enhanced ride comfort.
• Straight-Wound Springs Front and Rear: Facilitates easy spring rate changes to suit driver preferences and vehicle setup.
• 3-Year / 60,000 km Warranty: Extended warranty reflects HKS’s confidence in the product’s durability and quality improvements over previous models.

Construction & Design:

The Hipermax S coilovers feature a robust build quality with a focus on durability and performance. The front suspension uses an inverted strut design that integrates the cylinder outer into the upright mounting, ensuring ample suspension travel even when the vehicle is lowered. This design maintains optimal handling characteristics without sacrificing comfort.

The rear suspension incorporates a specially machined aluminum upper plate that balances weight reduction with structural strength. Rubber upper mounts are employed to absorb vibrations and enhance ride comfort. Both front and rear springs are straight-wound, allowing for straightforward spring rate adjustments to match driving style or track conditions.

Internally, the coilovers benefit from refined components and low-friction materials, resulting in improved longevity and consistent damping performance over time.

Installation & Fitment:

The HKS Hipermax S Coilovers are designed as a direct fit for the Toyota GR Supra (2020 and later) with the B48 engine. Installation requires removal of the factory electronic shock absorbers, and a separate error canceller is necessary to prevent dashboard warnings. The coilovers are shipped with damping settings optimized for the DB22 chassis; if installing on the DB02 chassis, adjustment to the test data is recommended for optimal performance.

Due to the plug-in strut front suspension design, the sliding pillow upper mount facilitates camber angle adjustments without complex modifications. Overall, installation is straightforward for experienced technicians familiar with coilover systems.

What's Included:

• Front and rear coilover assemblies
• Sliding pillow upper mounts (front)
• Machined aluminum rear upper plates
• Adjustment tools for damping force
• Installation instructions
• Warranty documentation (3 years / 60,000 km)

Ideal For:

The HKS Hipermax S Coilovers are perfect for Toyota GR Supra owners seeking a suspension upgrade that enhances handling precision without sacrificing everyday comfort. They are especially suited for drivers who have modified their vehicles with power upgrades, improved brakes, or high-performance tires and require a suspension system that can adapt accordingly. Whether for spirited street driving or occasional track use, these coilovers provide a versatile and reliable solution.