HIPERMAX R sits at the top of the HKS coilover range, supplied as a full kit covering all four corners of the FA24 powered ZN8 GR86 with a combined street and circuit brief. The front is an inverted damper that keeps stroke available at low ride height, the rear is a conventional coilover, and both ends carry spherical bearing (pillow ball) upper mounts with 30 step damping adjustment. HKS LVS springs are rated 9.0 kgf/mm front and 10.0 kgf/mm rear, working with SRF low friction damper fluid. Ride height adjusts 0 mm to -45 mm at the front and 0 mm to -59 mm at the rear against stock, and HKS publishes test camber of -3°40' front and -2°10' rear.
Specifications
| Type | Coilover suspension kit, HKS HIPERMAX R |
| Position | Front and rear, full kit |
| Damper Construction | Inverted front, conventional rear |
| Damping Adjustment | 30 steps, front and rear |
| Spring Rate | 9.0 kgf/mm front, 10.0 kgf/mm rear |
| Ride Height Adjustment | 0 mm to -45 mm front, 0 mm to -59 mm rear versus stock |
| Upper Mounts | Spherical bearing (pillow ball), front and rear |
| Quantity | Full kit, 4 corners |
| Part Number | 80310-AT006 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2022 | Toyota | GR86 | All |
| 2023 | Toyota | GR86 | All |
| 2024 | Toyota | GR86 | All |
| 2025 | Toyota | GR86 | All |
| 2026 | Toyota | GR86 | All |
Shipping
- In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Backordered items ship as soon as stock lands — contact us for lead times.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30-day returns on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
- Installed or used parts can’t be returned — confirm fitment before you install.
- Special orders and custom items are final sale.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Refund Policy
