Enhance your driving experience with the Eibach Pro-Kit, designed specifically for the 2017-2018 Honda Civic Si. This performance lowering spring kit delivers improved handling, better cornering stability, and a more aggressive stance, transforming your Civic Si into a true performance machine. The Pro-Kit is engineered to work seamlessly with your factory dampers, ensuring optimal performance without compromising ride quality. The Eibach Pro-Kit not only lowers your vehicle's center of gravity but also reduces body roll during cornering, giving you the confidence to tackle any road with precision. For proper alignment, it is recommended to pair this kit with the Eibach Rear Camber Kit part# 5.67476K. Elevate your Civic Si's performance and styling with this essential upgrade that combines function and flair. <b>Features:</b> * Improved handling and cornering stability: Improved handling and cornering stability * Lowered center of gravity for enhanced performance: Lowered center of gravity for enhanced performance * Designed to work with factory dampers for optimal ride quality: Designed to work with factory dampers for optimal ride quality * Aggressive stance for a sporty appearance: Aggressive stance for a sporty appearance * Recommended pairing with Eibach Rear Camber Kit for proper alignment: Recommended pairing with Eibach Rear Camber Kit for proper alignment