Product Info: Part: Disc Brake Rotor Position: Rear Rotor Material: Cast Iron Rotor Design: Rotors Only Rotor Type: Vented Bolt Circle: 108 millimeters / 4.25 inches Center Hole Diameter: 64.4 millimeters / 2.54 inches Lug Holes Quantity: 5 Lug Holes Size: 108 millimeters / 4.25 inches Minimum Thickness: 18.5 millimeters / 0.