HKS Hipermax S full coilover kit for the 2008–2014 Subaru WRX STI (GRB hatchback and GVB sedan). STI-specific application only. 30-level damping adjustment via an improved Needle Jet needle for a wider adjustment range across street and track. Dual PVS (Dual Preload Valve System) suppresses excess damping force at higher piston speeds for improved ride comfort without sacrificing performance. Large-diameter monotube damper with DURA BOOTS. Length-adjustable shock bodies for ride height. Comes pre-assembled with top hats, spanner wrenches, and damper adjustment tool.
| Type | Hipermax S — large-diameter monotube coilover kit |
| Damping Adjustment | 30-level, externally adjustable |
| Valve System | Dual PVS (Dual Preload Valve System) |
| Ride Height | Adjustable via length-adjustable shock bodies |
| Note | STI only — GRB hatchback and GVB sedan |
| Quantity | 1 set (front & rear) |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2014 | Subaru | WRX STI | GRB (Hatchback) |
| 2011-2014 | Subaru | WRX STI | GVB (Sedan) |
