ACDelco Professional DuraStop Ceramic Brake Pads offer outstanding performance and are generally quieter and more durable than competitive semi-metallic pads. ACDelco Professional DuraStop Ceramic Brake Pads are designed to meet OE standards for fit, form and function, and they are engineered to help resist corrosion and premature wear. Independently tested using D3EA and SAE J2784 standards, ACDelco Professional DuraStop Ceramic Brake Pads offer exceptional performance and include noise-dampening shims, where applicable. Product Features:Produce less dust than semi-metallic brake pads for quiet operationManufactured using ceramic and nonferrous materials for durabilityChamfered, slotted and shimmed to provide similar fit, form and function of the OE service partHardware clip kits included (where applicable)Tested to D3EA and SAE J2784 for braking effectivenessNoise/Vibration/Harshness (NVH) and durability/wear testing for assurance of quality.