Style: EP Coated Electrophoretic Brake Rotors offer dynamic performance with the utmost in chemical and rust resistance for superior esthetics. Premium Electrophoretic Brake Rotors utilize a form of electroplating to apply a rust resistant coating directly to the rotor resulting in a highly corrosion-resistant finish. Electrophoretic Brake Rotors are precision machined to tight tolerances and machined balanced for smooth, vibration-free braking.