Cutaway of a Toyota 4-cylinder petrol (gasoline) engine featuring VVT.i (Variable Valve Timing with Intelligence) system. Equipped with double overhead camshaft (DOHC) and electronically controlled intake valves, the model highlights a multi-point electronic injection system and offers visible cross-sections of key components. Carefully sectioned and painted model demonstrates the internal workings of systems as lubrication, cooling, ignition, timing and fuel, providing an training for automotive industry.