Tein Street Advance Coilovers will bring you an excellent combination of sporty ride feeling and aggressive stand. The Street Advance Coilovers are an upgraded version of Tein's famous Super Street coilovers. The Street Advance Coilover Kits feature very durable, twin tube internal steel construction and powder coated damper body. For strut type vehicles Tein offers greater piston diameter. Tein Street Advance Coilover Kits are also available with a 1-year manufacturers defect warranty.