The BC Racing BR Series Coilover Kit - I-41BR is a high-performance suspension upgrade for vehicles. It features a fully adjustable design, allowing for precise tuning of ride height, damping, and spring rates. The coilovers are made from high-quality materials and are designed to provide improved handling, stability, and overall performance on both the street and track. The kit also includes adjustable pillowball mounts and camber plates for added customization options. Overall, the BC Racing BR Series Coilover Kit - I-41BR is a versatile and reliable choice for those looking to enhance their vehicle's suspension.