Petrol(gasoline) DOHC Engine ½ Cutaway Educational Trainer is tool specifically designed for the detailed study and demonstration of modern engine systems. This cutaway model offer training in timing belt replacement, auxiliary drive belt replacement, operation of a DOHC twin overhead camshaft system, water cooling system and alternator function. Mounted on a compact, easily transportable frame, this trainer is essential for technical and vocational automotive education and training.