Product Info: Part: Disc Brake Rotor Position: Front Rotor Material: Cast Iron Rotor Design: Rotors Only Rotor Type: Vented Bolt Circle: 114.3 millimeters / 4.50 inches Center Hole Diameter: 72.1 millimeters / 2.84 inches Lug Holes Quantity: 5 Lug Holes Size: 114.3 millimeters / 4.50 inches Minimum Thickness: 26 millimeters / 1.