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ACDelco brakes are independantly tested and D3EA certified to meet the industry's highest level of braking performance Manufactured using ceramic and nonferrous materials for inmproved heat dissipation and quiet operation Produce less dust than semi-metallic brake pads to keep your wheels cleaner Limited Lifetime Warranty ACDelco is an Original Equipment (OE) supplier and has the experience engineering and manufacturing components that achieve the highest quality standards required by vehicle manufacturers