Variable Valve Timing and Lift Electronic Control is a dynamic valvetrain system developed by Honda Motor Corporation that allows a second cam lobe to operate the valves and change the valve timing under higher RPM conditions

VTEC is a technology that changes the cam profile and timing of some Honda internal combustion engines. VTEC technology is located in the cylinder heads of the engine.

VTEC based engine image

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Image highlighting Honda's VTEC valvetrain

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