3GD Series Sport Slotted Rotors. 3GD Series Sport Slotted Rotors; Rear; For FMSI Pad No. D1037; Solid; 5 Bolt Holes; 262mm Dia.; 60mm Height; 10mm Thick; 90mm 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.