Hawk Performance Ceramic Street Brake Pads (HB917Z.626) are engineered to reduce brake NVH (Noise, Vibration, and Harshness), creating a quieter performance brake pad. The ceramic compound is designed for low dust output and stable friction consistency. This specific kit is designed for rear axle fitment on modern BMW Z4 and Toyota Supra models. Performance Ceramic pads offer a linear friction profile that allows the ABS system to work more effectively. The set includes: 4 x Rear Brake Pads (HB917Z.626), Installation Lubricant Packet.