The KYB RA4140 Coil Spring is a direct replacement for your vehicle's original spring. It is designed to meet or exceed OE specifications, ensuring a proper fit and restoring your vehicle's original ride height and handling. Crafted from high-quality materials, this coil spring is built to withstand the rigors of daily driving and provide long-lasting performance. Properly functioning coil springs are essential for a smooth and safe ride. They absorb road shocks and vibrations, preventing them from being transferred to the vehicle's chassis and occupants. The KYB RA4140 Coil Spring is engineered to provide the correct spring rate and travel, contributing to optimal suspension performance and vehicle stability.