HKS HIPERMAX S WRX STI Full Kit - Subaru Models Inc. 2015-2020 WRX / STI

Spectral Performance proudly carries performance upgrades by one of the biggest names in the industry, HKS. Since 1973, HKS has been a leading innovator in turbocharger technology, and many of its products have been utilized on world-class race cars of all makes and genres. Today, HKS continues to engineer high-performance engine components to improve the power and the performance of your vehicle. 

These are the HKS Hypermax S Coilovers. These coil overs are for those who demand performance, looks and handling out of their suspension for an overall improvement in ride quality for both the street and the track. These coil overs will come pre-assembled with top hats and will come provided with spanner wrenches and a damper adjustment tool to allow the user to achieve the preferred height and stiffness.

HIGHLIGHTS:

• DUAL PVS: This is a dual preload valve system that suppresses unnecessary damping forces during higher piston speeds for better ride quality without affecting the performance
• WIDE RANGE DAMPING FORCE ADJUSTMENT MECHANISM: Improved needle jet shape expands the range of damping force adjustment, and provides better handling on a wider range of stages
• EVOLUTION OF BUMP STOP RUBBER: A new shape of bump stop rubber reduces the body roll and achieves ride comfort at the same time which cannot be achieved with general hydro bump stop rubber
• LOW FRICTION TECHNOLOGY: With advanced tribology technology, HKS has achieved greater durability and lower friction for improved ride quality and handling performance
• Single tube
• 30-levels of adjustable damping
• Shock-body length adjustable
• Employs special oils
• PNE coated 
• Dual pre-load valve system
• Aluminum bracket
• Rubber upper mount

SPECS:

• SPRING RATE: F (9.0) R (7.0)
• SPRING LENGTH: F (220 straight barrel type) R (170 straight)