Improve the handling and stance of your 2017+ Honda Civic Si FC Sedan or Coupe (54mm front strut) with the FIVE8 SS coilover system. Designed for drivers who want affordable performance shocks with full ride height adjustment, this suspension setup enhances cornering stability while maintaining comfortable street drivability.

The 10th generation Civic Si is known for its responsive turbocharged platform and balanced front wheel drive dynamics. Upgrading to a properly engineered coilover system allows the chassis to perform at an even higher level. FIVE8 SS coilovers help reduce body roll during cornering, improve overall chassis stability, and deliver a more controlled driving experience compared to factory suspension components.

Each FIVE8 SS kit is built using durable materials and precision engineered internals to ensure consistent suspension performance. The mono-tube damper design promotes stable damping characteristics and improved heat dissipation during spirited driving. Electroplated carbon steel shock bodies help resist corrosion, while CNC-machined aluminum pistons and high strength springs support long-term reliability.

For drivers searching for dependable Honda Civic Si coilovers, the FIVE8 SS Sport kit delivers adjustable ride height, durable construction, and improved suspension control for daily driven cars and enthusiast builds.

🔧 Coilover Kit Features

• Full Length Ride Height Adjustment
• Mono-Tube Damper Design
• Seamless 52mm Electroplated Carbon Steel Shock Body
• 20mm Piston Rod for MacPherson Suspension
• 14mm Piston Rod for Non-MacPherson Suspension
• 44mm High-Flow CNC 6061 Aluminum Piston
• CNC 6061 Aluminum Floating Piston
• Polyurethane Oil Seal
• SAE9254 Cold-Wound Spring
• Multi-Thickness Valving Shims
• Low-Gas Pressure Design
• 7.5W Compounded Suspension Fluid

⚙️ Spring Rates

Front: 8K
Rear: 8K

🚗 Fitment

2017 Honda Civic Si Sedan
2018 Honda Civic Si Sedan
2019 Honda Civic Si Sedan
2020 Honda Civic Si Sedan

2017 Honda Civic Si Coupe
2018 Honda Civic Si Coupe
2019 Honda Civic Si Coupe
2020 Honda Civic Si Coupe

Fits FC chassis models with 54mm front strut only.

📞 International Orders

For international orders please call 626.672.0488 before placing your order.