Product Info: – Part: Brake Rotor Set – Rotor Material: Cast Iron – Caliper Type: Without Calipers – Rotor Type: Vented – Additional Info: Does Not include Brake Hardware – Driving Style: Performance / Racing – Rotor Style: Plain – Bolt Circle: 115 millimeters / 4.53 inches – Lug Quantity: 5 – Nominal Rotor Thickness: 34 millimeters / 1.