EBCs BSD rotors feature a V pattern which improves heat dispersion and helps the pads run cooler on average over OE style rotors. BSD rotors are a perfect addition to any vehicle looking to add performance and style to any vehicle.BSD Series Sport Rotor Set w/Ultra Quiet V Slot Configuration; Front; For FMSI Pad No. D1801; Vented; 4 Bolt Holes; 294mm Dia.; 44mm Height; 22mm Thick; 64.1mm Center Hole Dia.;High Carbon Thermally StableNew Vee Slot DesignSilent Slot Pattern