TEIN Street Basis Z Coilover Kit - 1990-1998 Mazda MX-5 Miata RWD (NA6C)Tein Street Basis Z Coilover Kit Part #: GSM64 8USS2 Overview The Tein Street Basis Z Coilover Kit is designed to enhance the handling and ride quality of your 1990 1998 Mazda MX 5 Miata RWD (NA6C). This coilover system is ideal for drivers seeking a balance between improved performance and everyday comfort. Engineered specifically for street use, these coilovers allow you to adjust the ride height to achieve your preferred stance while maintaining a