HKS Hipermax R coilovers for the 2021+ Toyota GR Yaris (GXPA16) deliver race-bred handling with street-ready comfort for the Toyota GR Yaris. Developed over nine years since the MAX IV SP, the Hipermax R pairs an inverted monotube damper with HKS”s exclusive Super Response Fluid (SRF) and Low Vibration Spring (LVS) to sharpen steering response, flatten cornering attitude, and hold damping consistent even after repeated heat cycles.
30-level damping adjustment, length-adjustable shock bodies, and pillowball upper mounts let you dial in the Toyota GR Yaris for track sessions or daily commuting without swapping components. Every Hipermax R kit is built in Japan, backed by a 2-year / 40,000 km warranty, and fully rebuildable — the flagship HKS coilover for drivers who refuse to compromise between circuit pace and street civility.
Features
Specifications
| Part Number | 80310-AT005 |
| Part Name | HKS Hipermax R Coilovers |
| Vehicle | 2021+ Toyota GR Yaris |
| Chassis Code | GXPA16 |
| Country of Origin | Japan |
| Damping Adjustment | 30-Level 1-Way |
| Height Adjustable | Yes |
| Spring Rate – Front | 12.0 Kg/mm |
| Spring Rate – Rear | 16.0 Kg/mm |
| Spring Length – Front | 150mm |
| Spring Length – Rear | 170mm |
| Upper Mount – Front | Spherical bearing |
| Upper Mount – Rear | Spherical bearing |
| Ride Height Range – Front | -26mm (-1mm to -126mm) |
| Ride Height Range – Rear | -25mm (-2mm to -82mm) |
| Warranty | 2-year / 40,000 km |
| Notes | 4WD vehicles only; not compatible with post-2024 late model |


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