DFC Rotors. Disc Brake Rotor Set. The engine types may include 3.5 L 3490CC 213Cu. V6 FLEX OHV Naturally Aspirated,3.6L 3564CC 217Cu. V6 FLEX DOHC Naturally Aspirated,3.6L 3564CC 217Cu. V6 GAS DOHC Naturally Aspirated,3.8L 3800CC 231Cu.