KW Variant 4 (V4) Clubsport Coilover Kit (3-Way Adjustable)

Part #: 39745216

Fits:

• 2008–2014 Subaru WRX STI (GR/GV Chassis)

⚠️ Please allow 3-4 weeks to build and ship.

The KW V4 Clubsport Coilover Kit brings advanced motorsport suspension technology to both track and street performance. Developed and validated using data from the Nürburgring Nordschleife and KW’s 7-post driving dynamic test center, this kit offers true 3-way damping adjustability along with engineered race-ready components for unmatched handling precision.

3-Way Independent Damping Adjustment

Rebound Damping – 16 Clicks
Precisely tune chassis control and wheel load response with 16 levels of rebound adjustment.

Compression Damping – Dual-Range Adjustment

• Low-Speed Compression: 6 precise clicks

• High-Speed Compression: 14 precise clicks

This dual-range compression system lets you fine-tune suspension behavior for handling dynamics, weight transfer, and road or track conditions.

Premium Motorsport-Derived Engineering

• Height Adjustable Ride Height – Continuous lowering for stance and performance balance

• Inox-Line Stainless Steel Construction – Corrosion-resistant lifetime durability

• Composite Spring Seats & Trapezoidal Threads – Long-term adjustability and strength

• Aluminum Unibal Top Mounts – Improved steering feedback and alignment control where applicable

• TÜV-Tested Adjustment Range – Engineered for safety and performance consistency

Lowering Range

• Front: ~20–50 mm (approx. 0.8″–2.0″)

• Rear: ~10–40 mm (approx. 0.4″–1.5″)

This range improves stance, reduces body roll, and enhances handling while maintaining functional suspension travel on street and track surfaces.

Spring Rates

• Front: 455 lbs/in

• Rear: 455 lbs/in

These linear race-focused spring rates are optimized for maximum performance and feedback during aggressive driving and track use.

Why Choose KW V4 Clubsport?

If you want the ultimate suspension tuning platform for your 08–14 STI — one that performs on the street and competes on the track — the KW V4 Clubsport delivers:

• True 3-way damping adjustability for unmatched tuning precision

• Motorsport-tested valving for high-speed and low-speed control

• Built for drivers who demand performance without compromise

• Durable “inox-line” construction for long-term reliability