These pads are made from a specially designed softer compound which gives a longer lifetime as well as improved pedal feel at lower speeds. GD Slotted and Dimpled Upgrade Brake Rotor. Sold in pairs for front or rear fitment. Wider aperture grooves dispel gasses and debris. Blind holes prevent cracking. Thermic black coated for maximum corrosion resistance. Inspected for runout. EBCs range of GD high quality upgrade brake rotors are the perfect choice for your daily driver. Featuring wide slots and blind drilled dimples which are designed to dispel gasses, dirt, debris and carbon deposits therefore improving brake effect. The rotor material is designed to run up to a scorching 800/900çC. All EBC Brakes GD rotors feature corrosion resistant thermic black coating.