The DuraGo(R) Brake Drum and Rotor Program is the professional’s choice for quality, cataloging and first to market applications. The engine types may include 3.5L 3498CC V6 GAS DOHC Naturally Aspirated,4.5L 449 4CC V8 GAS DOHC Naturally Aspirated,4.5L 4500CC V8 GAS DOHC Naturally Aspirated.