Product Info: Part: Brake Set Position: Front Rotor Material: Cast Iron Rotor Type: Vented Driving Style: Performance / Racing Rotor Style: Plain Bolt Circle: 139.7 millimeters / 5.50 inches Lug Quantity: 5 Minimum Rotor Thickness: 20.4 millimeters / 0.80 inches Nominal Rotor Thickness: 22 millimeters / 0.