Titanium Series Brake Rotors and Drums deliver a winning combination of quality, performance, styling while defending against the elements. DTS Brake Rotors and Drums have all of the features of DuraGo Professional Series with the addition of a sprayed resistant coating to the hat andedge of the rotor (hat of the brake drum). The titanium gray coating complements vehicles with open wheel designs and provides lasting protection to the hat and edge of the rotor. Additionally, the coating is RoHS compliant meeting strict environmental standards.