Hawk Performance PC (Performance Ceramic) brake pads are designed to reduce brake NVH (Noise, Vibration, and Harshness), creating a cleaner and quieter ceramic brake pad. This compound is formulated to provide low dust levels and stable friction performance. Specifically engineered for premium street applications. The HB478Z.605 set includes: 1x Rear Left Inner Pad, 1x Rear Left Outer Pad, 1x Rear Right Inner Pad, 1x Rear Right Outer Pad. Features: Extremely quiet, ultra-low dust, high friction output, gentle on rotors, and extended pad life.