HKS HiperMax S Pillow Ball Coilovers Kit 2015-2021 WRX / STI

Description:
After 9 years after the launch of the MAXIV GT, the new HIPERMAX S series was born for superior “Driving Comfort" with advanced features in damping force, durability, and appearance. The new HIPERMAX S series continues to employ the single-tube structure. The advantage of this structure is to be able to provide the gas and oil chamber separately, and then it allows to use of a large diameter piston. As a result, a quality and stable damping force is gained.  The pillow ball spherical bearing at the front upper mount has been newly added.

Features:
- Single Tube Damper Design
- 30 Levels of Adjustable Damping (Front & Rear)
- Shock-Body Length Adjustable
- Special Oil
- PNE Coating
- Dual Pre-Load Valve System
- Upper Mounts = Fronts are Spherical / Rears are Rubber
- Aluminum Bracket
- Rubber Upper Mount
- Spec. Change Available
- Helper Springs
- Overhaul Available

Specs:
- Spring Rate: F = 88Nmm (9.0K) | R = 69Nmm (7.0K)
- Spring Length (mm): F=220 (Straight Barrel Type) | R=170 (Straight)
- Height at Factory (Upper-Lower): F=-19(0 to -41) | R=-14(0 to -59)
- Upper Mount: F=Spherical | R=Rubber

Applications:
2015-2021 WRX
2015-2021 STI