Product Info: Brand: KarParts360 Part: Brake Discs Position: Front Disc Material: Cast Iron Disc Finish: Natural Disc Design: Plain Surface Disc Diameter: 11.65 inches Disc Construction: Vented Number of Lugs: 5 Notes: 51 millimeter Height; 30 millimeter nom. Thickness; 27 millimeter min. Thickness; 67.4 millimeter Hub Reg.; 16.