HKS Hipermax R Full Kit Coilovers for Toyota 86, Scion Fr-S, Subaru Brz – 80310-AT001
HKS part 80310-AT001, the Hipermax R Zn6 Full Kit, is a full coilover suspension kit engineered specifically for the Toyota 86, Scion Fr-S, Subaru Brz. The Hipermax R line steps up from the Hipermax S series with spherical-bearing upper mounts and independently tuned front and rear spring rates, giving a sharper, more track-oriented response while retaining 30-step damping adjustment and height-adjustable lower brackets at each corner.
Key Features
- Full front and rear coilover kit purpose-built for the Toyota 86, Scion Fr-S, Subaru Brz, part 80310-AT001.
- 30 steps front and rear of damping force adjustment for tuning compression and rebound feel.
- Height-adjustable lower brackets allow independent ride-height tuning at each corner.
- Spherical-bearing upper mount design sharpens steering and suspension feedback versus a rubber-mount coilover.
- Includes stabilizer links, hook wrenches, and a damping-force adjustment dial for setup and tuning.
- Backed by HKS’s one-year limited warranty against defects in materials and workmanship.
- Part 80310-AT001 is manufactured and quality-tested by HKS in Japan before export.
Fitment
| Year Range | Make | Model |
|---|---|---|
| 2013-2016 | Scion | Fr-s |
| 2013-2020 | Subaru | Brz |
| 2017-2020 | Toyota | 86 |
Specifications
| Detail | Value |
|---|---|
| Brand | HKS |
| Manufacturer part number | 80310-AT001 |
| Product line | Hipermax R |
| Damping force adjustment | 30 steps front and rear |
| Front spring rate | 88 N/mm (9.0 kgf/mm) |
| Rear spring rate | 98 N/mm (10.0 kgf/mm) |
| Damper type | Front inverted, rear normal |
| Package dimensions | 565 290 290 mm |
| Package weight | 24.8 kg |
What’s Included
- Front suspension assemblies (qty 2)
- Rear suspension assemblies (qty 2)
- Stabilizer links (qty 2)
- M12 washers (qty 4)
- M12 nuts (qty 4)
- Spacers (qty 4)
- Hook wrench with 12.7 sq. drive hole (qty 1)
- Hook wrench (qty 1)
- Warranty registration card (qty 1)
- Installation manual (qty 1)
- Damping-force adjustment dial (qty 1)
About HKS
HKS Co., Ltd. has engineered turbo systems, engine electronics, and suspension products for Japanese performance cars since 1973. The Hipermax R full-kit coilover line, including part 80310-AT001 for the Toyota 86, Scion Fr-S, Subaru Brz, is HKS’s higher-performance coilover tier, built with spherical-bearing mounts for drivers who want sharper handling response for street and track use.
Related Parts
- HKS HIPERMAX S GRB/GVB (STI Only) Full Kit
- HKS HIPERMAX S GDB(A-D) Full Kit
- HKS HIPERMAX S GDB(E-G) Full Kit
- HKS 2022+ Subaru BRZ Hipermax S ZD8 – Full Kit
FAQ
What vehicles does this coilover kit fit?
This kit is engineered specifically for the Toyota 86, Scion Fr-S, Subaru Brz. Always confirm your exact chassis code and model year against the fitment table above before ordering.
How is Hipermax R different from Hipermax S?
Hipermax R uses spherical-bearing upper mounts and independently tuned front/rear spring rates for a sharper, more track-oriented response, while Hipermax S uses a rubber upper mount tuned more for daily-driving comfort.
How much does this kit lower the vehicle?
Ride height is adjustable at each corner. Consult the HKS installation manual for exact height ranges on this application.
Is the damping adjustable after installation?
Yes. The kit includes a damping-force adjustment dial so compression and rebound firmness can be tuned without removing the coilover.
Does this kit include stabilizer links?
Yes, stabilizer links are included in the kit.
Can I use this coilover kit on a different chassis or model year?
No. This kit is designed and tested only for the specific application listed in the fitment table above. Using it on an unlisted chassis or model year is not supported.
Is professional installation required?
Yes. HKS states that installation must be performed by a professional installer using a lift or jack stands, a spring compressor, and torque specifications from the installation manual.
What is the warranty on this kit?
HKS provides a one-year warranty to the original purchaser against defects in materials and workmanship. Purchasing through an unauthorized seller may void the warranty.
Is a wheel alignment required after installation?
It can affect factory driver-assistance systems. The product is installable only on the vehicles specified in the application chart. The lowest ride-height setting may not be road legal.
Installation Instructions
- Support the vehicle on an automotive lift or a garage jack with rigid jack stands. Do not use the factory vehicle jack for installation or ride-height adjustment.
- Remove the wheels and disconnect the factory strut assemblies following the vehicle manufacturer’s service procedure.
- Use a spring compressor as needed and install the HKS Hipermax R front and rear coilover assemblies in place of the factory struts.
- Reinstall the supplied stabilizer links and torque all suspension fasteners to specification without using an impact wrench on the upper mount.
- Set the damping-force dial to the factory default position and adjust the height-adjustable lower brackets to the desired ride height within the specified range.
- Reinstall the wheels, lower the vehicle, and perform a wheel alignment.
- Drive a break-in period at reduced speed, then recheck for any contact between tires, wheels, or suspension components.
- Fine-tune the damping dial and ride height to taste once break-in is complete.








