Disc Brake Rotor5000 Series; Replacement Rotor5000 Series; Replacement Rotor; Front; Cross Drilled/Slotted Uni-Directional Rotor;FEATURES:XS Drill And Slot PatternKangaroo Paw 144 Diamond And Tear Drop Pillar Ventilation SystemXG150 High Carbon Alloyed IronThermo-Graphic Temperature MonitoringHeat Paint Markings Change Color At Specific TemperaturesThermo Stability Profiling/Stabilizes The Natural Rotor StressesPaint Protection On Non-Friction AreasAnodized Alumalite Hat/6061-T6 Aircraft AluminumDisc Brakes Australia (DBA) is an Australian owned designer, manufacturer and marketer of disc brake rotors and brake drums which celebrates its 30th year of operation in 2007. It has grown with the market over three full decades, from a time when four-wheel disc were a rarity through to today's almost universal choice of disc brakes front and rear.