Hawk Performance Ceramic Brake Pads (HB803Z.639) are designed to reduce brake NVH (Noise, Vibration, and Harshness), creating a quieter performance brake pad. The Z-Compound ceramic formula is engineered for low dust output and stable friction profiles. This set is specifically designed for Ford Mustang models equipped with independent rear suspension. The kit includes: 1x Rear Brake Pad Set (4 pads total), Part Number: HB803Z.639. Key features: extremely quiet, ultra-low dust, improved braking power, and gentle on rotors.