Power Stop Z37-1158 Z37 Top Cop Severe-Duty/Fleet Brake Pad Z37 Top Cop brake pads designed for severe-duty and fleet vehicles Carbon fiber infused Evolution ceramic formula for superior braking power Chamfered and slotted like the OE pad with noise insulating shims to ensure noise-free braking Power coated backing plate extends life by resisting rust and corrosion Premium stainless hardware kit included for easy, problem-free installation (when applicable)