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; Rear; For FMSI Pad No. D1808; Vented; 5 Bolt Holes; 300mm Dia.; 46.35mm HT; 16.993mm Thick; 58mm Center Hole Dia.;High Carbon Thermally StableNew Vee Slot DesignSilent Slot Pattern