Hawk Performance Ceramic Street Front Brake Pads (HB509Z.678) are engineered to reduce brake NVH (Noise, Vibration, and Harshness), creating a quieter performing brake pad. The ceramic composite compound provides linear friction profile for smooth engagement and excellent stopping power. This kit includes: 1x Front Axle Brake Pad Set (4 pads total), Part Number: HB509Z.678. Key features: Low dust, low noise, high friction cold or hot, and gentle on rotors. Specifically designed for vehicles with Performance or Heavy Duty suspension packages.