COMPATIBLE WITH: 2015-2023 Subaru Legacy, 2015-2023 Subaru Outback, 2016-2021 Subaru WRX. Brake Disc Thickness [mm]: 17. Brake Disc Type: Ventilated. Minimum thickness [mm]: 15. ISO 9001, ISO 14001, ISO 45001, and ISO 5001 certified for robust quality in all aspects of production.