The BC Racing BR Series Coilover Kit - I-45BR is a high-performance suspension upgrade for vehicles. It includes a set of coilover shocks, which are adjustable to provide a customized ride height and damping settings. The kit also comes with adjustable camber plates and pillowball mounts for improved handling and cornering. The coilovers are made from high-quality materials and are designed to improve the overall handling and performance of the vehicle. This kit is suitable for both street and track use, making it a versatile upgrade for any car enthusiast.