Sachs Performance Coilover Kit - 841500000301 is a high-performance suspension upgrade that provides improved handling, ride comfort, and adjustability for a variety of vehicles. It includes four adjustable coilovers, four springs, and all necessary hardware for installation. The kit is designed to lower the vehicle's center of gravity for improved cornering and handling and to reduce body roll. It also allows for adjustable ride height, rebound damping, and spring rate.