2021-2024 Ford F150. Disc Brake Rotor (Rear) Construction: Full Cast. Disc Brake Rotor (Front) Stud/Lug Hole Quantity: 6. Disc Brake Rotor (Rear) Stud/Lug Hole Quantity: 6. Notes: Front and Rear Z23 Daily Driver Carbon-Fiber Ceramic Brake Pad and Drilled & Slotted Rotor Kit -- with 336mm Rear Rotors.