ST Suspensions X-Series Coilovers for 2013-26 BRZ / GR86

ST Suspensions ST X Coilover Kit

Part No: 13258004
Fixed Damping – Performance Street Setup

*Please allow 5-10 Days to Build and Ship*

The ST Suspensions ST X Coilover Kit delivers a reliable and affordable lowering solution with proven German engineering. Designed for drivers who want improved handling and a lowered stance without complex adjustments, the ST X features fixed damping and durable galvanized steel construction for long-term performance.

Perfect for daily driving enthusiasts who want better control and a balanced ride.

Key Specifications

• Version: ST X

• Damping Adjustment: Fixed (Factory-Tuned, No Adjustment)

• Material: Galvanized Steel for corrosion resistance

• Front Lowering Range: 0.8” – 2.0”

• Rear Lowering Range: 0.8” – 2.0”

• Part Number: 13258004

Spring Rates

• Front: ~230 lbs/in (≈ 4.11 kg/mm)

• Rear: ~285 lbs/in (≈ 5.09 kg/mm)

These spring rates are optimized for improved body control and reduced roll compared to stock suspension while maintaining comfortable street performance.

Fitment

Designed for compatible applications including:

• 2013–2026 Subaru BRZ

• 2013–2020 Scion FR-S / Toyota GT86

• 2022+ Toyota GR86

Performance Benefits

• Fixed factory-tuned damping for consistent performance

• Height adjustable for stance and handling improvement

• Durable galvanized construction for improved longevity

• Direct bolt-on installation