DFC Disc Brake Hardware Kit. Disc Brake Hardware Kit. The engine types may include 3.5L 3498CC V6 GAS DOHC Naturally Aspirated,4.3L 4266CC 260Cu. V8 GAS SOHC Naturally Aspirated,4.3L 4266CC V8 GAS SOHC Natura lly Aspirated,5.0L 4966CC V8 GAS SOHC Naturally Aspirated,5.0L 4973CC V8 GAS SOHC Naturally Aspirated,5.4L 5439CC 332Cu.