This KYB suspension spring, part code RA4122, is engineered to provide a balanced combination of ride comfort and dynamic handling. 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, maintaining tire contact with the road surface, and supporting the vehicle's weight. KYB's commitment to quality manufacturing ensures that this spring will contribute to a smoother, more controlled driving experience. Properly functioning suspension springs are essential for vehicle stability, braking effectiveness, and overall safety. Replacing worn or damaged springs with a quality component like the KYB RA4122 helps restore the vehicle's original ride characteristics and handling capabilities.