The EBC 2019+ BMW Z4 G29 RK Series Premium Front Rotors are a set of high-performance brake rotors designed for the BMW Z4 G29. The rotors are made from EBC's proprietary cast iron alloy that is designed to be lightweight yet strong, and are coated with a special black zinc finish for superior corrosion resistance. The rotors feature a unique curved vane design that increases airflow and cooling, and have an advanced dimple drilled design that increases braking power and reduces brake fade. The rotors also feature a special chamfered edge for improved pad seating and a reduced risk of cracking.