HKS Hipermax S Front Pillow Ball Coilover Kit — Fits 2015-2021 Subaru WRX STI

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Sharpen Your Handling with Pillow Ball Mounts

For the driver who demands maximum steering precision, the HKS Hipermax S Front Pillow Ball coilover kit for the 2015-2021 Subaru WRX STI is the ultimate upgrade. By replacing the standard rubber top mounts with high-quality pillow ball mounts, this kit eliminates unwanted deflection in the suspension geometry, providing direct feedback and razor-sharp turn-in response.

Why Choose Pillow Ball Mounts?

• Enhanced Steering Precision: Direct feedback from the road to the steering wheel.
• Improved Camber Control: Allows for more precise alignment settings for track use.
• HKS Hipermax S Quality: All the benefits of the standard S-series, including Dual PVS damping.
• Robust Design: Engineered to handle the increased loads of performance driving.

This kit is specifically designed for enthusiasts who spend time on the track or prefer a more connected driving experience on the street. The pillow ball mounts ensure that your suspension geometry remains consistent under heavy cornering loads, preventing the 'mushy' feel often associated with factory rubber bushings. Combined with the world-class damping characteristics of the Hipermax S series, you get a suspension system that is as comfortable as it is capable. Upgrade your WRX STI with this professional-grade suspension solution from GGCRACING.