FORD MUSTANG 2021. Front Rear Drilled and Slotted Disc Brake Rotors + Ceramic Brake Pads Kit. 2x Rear Drilled and Slotted Disc Brake Rotors - Driver and Passenger Side - S-800161. 2x Front Drilled and Slotted Disc Brake Rotors - Driver and Passenger Side - S-800208.