Providing maximum braking performance on towing, heavy hauling, and frequent braking applications, Carquest Frontline Severe Duty brake pads are the ideal choice for severe duty applications. Product Features:Premium formulations dissipate heat faster for extended pad lifeComplete testing protocol using real-world conditions to verify superior stopping performance and pad lifePatented 4-layer HEX shim Technology provides silent brakingHardware and caliper pin grease included where required to complete the job