The HKS Hipermax S is the street biased end of the Hipermax coilover range, full length adjustable with 30 step damping front and rear set by the WR needle, a dual preload valve system and HKS's Flat Ride Concept damping curve. Spring rates are 137 N/mm, or 14.0 kgf/mm, at the front on a 200 mm free length and 78 N/mm, or 8.0 kgf/mm, at the rear on 250 mm, both direct wound and paired with 19.8 N/mm helper springs. Drivable fender arch height runs from 692 mm down to 600 mm at the front and 668 mm down to 591 mm at the rear, shipped set at 661 mm and 655 mm. Upper mounts are rubber front and rear, the threads carry HKS's PNE coating, and the kit is warranted for three years or 60,000 km with overhaul and spec change service available.
Specifications
| Type | Full length adjustable coilover kit (Hipermax S) |
| Position | Front and rear, full kit |
| Damping | 30 steps, front and rear |
| Spring Rate, Front | 137 N/mm (14.0 kgf/mm), 200 mm free length |
| Spring Rate, Rear | 78 N/mm (8.0 kgf/mm), 250 mm free length |
| Helper Springs | 19.8 N/mm, front and rear |
| Ride Height Range | Front 692 to 600 mm arch height, rear 668 to 591 mm (shipped 661 mm and 655 mm) |
| Upper Mounts | Rubber, front and rear |
| Application Note | Not compatible with REAS-equipped vehicles unless the hydraulic unit is removed |
| Warranty | 3 years or 60,000 km |
| Quantity | 1 kit |
| Part Number | 80300-AT010 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1993-2002 | Toyota | Supra | JZA80 (2JZ-GTE) |
| 1993-2002 | Toyota | Supra | JZA80 (2JZ-GE) |
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
