Hawk Performance Ceramic brake pads (HB518Z.642) are designed to reduce brake NVH (Noise, Vibration, and Harshness), creating a quieter performing brake pad for luxury and performance vehicles. The linear friction profile allows your ABS system to work more effectively. This compound is known for extremely low dust production and quiet operation. The package includes a full front axle set (4 brake pads). Part Configuration: Hawk HB518Z.642 (Z-Compound Performance Ceramic).