Description： Condition: New Installation Position: Front & Rear Side Material: Cast Iron Outside Diameter (MM): 311.5mm (Front), 282mm (Rear) Height (MM): 47.2mm (Front), 48.7mm (Rear) Nominal Thickness (MM): 25mm (Front), 9mm (Rear) Hub Holes Centering Diameter (MM): 64.1mm (Front), 64.1mm (Rear) Mounting Bolt Hole Quantity: 5 Bolt Circle Diameter (MM): 114.3mm Bolt Diameter (MM): 12.7mm Discard Min. Thickness (MM): 23mm (Front), 8mm (Rear) Solid Or Vented Type Rotor: Vented (Front), Solid (Rear) Pad Wear Sensor Included: Yes Brake Lubricant Included: Yes Pad Wear Sensor Type: Mechanical Friction Material Composition: Ceramic .