This KYB coil spring, part number RA3964, is engineered to provide a balanced and comfortable ride. It is designed to meet or exceed original equipment specifications, ensuring a precise fit and reliable performance. The spring plays a crucial role in absorbing road imperfections and maintaining proper vehicle height. KYB's commitment to quality manufacturing ensures durability and consistent performance over time, contributing to the overall handling and stability of your vehicle. Properly functioning coil springs are essential for a safe and enjoyable driving experience. Replacing worn or damaged springs with a quality part like the KYB RA3964 can help restore your vehicle's original ride characteristics and prevent further suspension damage.