The BC Racing BR Series Coilover Kit (F13) - I-27BR is a suspension upgrade kit designed for performance vehicles. It includes adjustable coilover shocks, which allow for precise tuning of the vehicle's ride height and damping. The kit also features high-quality springs, camber plates, and adjustable pillowball mounts for improved handling and cornering. The BC Racing BR Series Coilover Kit is a popular choice among car enthusiasts and is known for its durability and high performance capabilities. It is compatible with the F13 chassis and is a great option for those looking to improve the handling and overall performance of their vehicle.