3GD Series Sport Slotted Rotor Set. 3GD Series Sport Slotted Rotor Set; Front; For FMSI Pad No. D660; Solid; 5 Bolt Holes; 290mm Dia.; 46mm Height; 10mm Thick; 107mm Center Hole Dia.;. All EBC rotors are made from OE spec grey cast iron, exactly as used on new car production and as many as we have tools for are BRITISH MADE wholly in our own UK foundry.