The EBC 2021+ BMW 328 (G20) w/Brembo Calipers RK Series Premium Rear Rotors is a complete brake system upgrade for your BMW 328. This kit includes two Brembo calipers, along with EBC's RK Series Premium rear rotors. These rotors are designed to provide superior stopping power and longer life, and are made from a high-grade cast iron material. The Brembo calipers feature a unique design that increases braking power and reduces brake fade. This kit is perfect for those looking to upgrade their BMW's braking system for improved performance and reliability.