Description
The HKS HIPERMAX S Coilover Kit provides a defined suspension configuration for controlling ride height and chassis movement. Application: Subaru WRX STI.
Design and operation
Spring rates establish the suspension’s load response, while damper settings control how quickly the suspension moves. Selecting the correct kit involves balancing usable suspension travel, tire clearance and the vehicle’s intended driving conditions. Pillow-ball mounting provides a more direct mounting interface, with a potential increase in transmitted noise or vibration compared with compliant rubber mounts.
Technical details
- Manufacturer part number: 80330-AF009P.
- Configuration: Front Pillow-Ball Mounts
- Application: Subaru WRX STI.
- Full-kit spring rates: front 88 N/mm (9 kgf/mm); rear 69 N/mm (7 kgf/mm).
- Full-kit reference ride-height change: front -25 mm; rear -17 mm. These are test-vehicle settings, not guaranteed ride heights.
Application-specific requirements
- Front Upper Mount Pillow ball type.
- TEST TIRES: F/R 245/40R18 (F.230kPa R.220kPa) TEST WHEELS: F/R 8.5JJ INSET 55 *Front: Pillow Ball Upper Mount · After installing this product, EyeSight may not function properly.
- Please note the Spherical Bearing is a consumable.
- Replacement spherical bearings can be purchase separately.
Installation and selection
Set ride height within the specified operating range, then check wheel clearance and complete a four-wheel alignment. Front-only, rear-only and rear-spring configurations must be selected according to the components actually being replaced.