ACDelco Professional Ceramic Brake Pads are engineered to help resist corrosion and premature wear and arehigh quality replacement for many vehicles on the road today. They offer exceptional performance, and include noise-dampening shims where applicable. Independently tested using SAE J2784 standards, these pads deliver the fit, form, and function you expect from ACDelco. Their durable ceramic formulation uses less metal, providing high quality braking power inquiet and low-dusting package. Also no curing is required. ACDelco Professional Ceramic Brake Pads are ready to be installed right out of the box.