EBC Brakes BSD7546 BSD Series Sport Rotor w/Ultra Quiet V Slot Configuration Front 13.3 in. Dia. BSD Series Sport Rotor w/Ultra Quiet V Slot Configuration EBC's Newest Track and Street Design New bi-directional fine blade slot pattern for fast degassing Great for Fast street and Premium Sedan V Groove to aid in heat dispersion Black Geomet coating for corrosion resistance