The BC Racing BR Series Coilover Kit - I-45BR is a suspension upgrade for vehicles that allows for adjustable ride height and damping. This kit includes high-quality shock absorbers and springs that are designed to improve handling and performance. The coilovers are fully adjustable, allowing the user to fine-tune the suspension to their specific needs and preferences. This kit is ideal for those looking to improve the overall ride quality and handling of their vehicle. It is compatible with a wide range of makes and models and is a popular choice among car enthusiasts and racers.