The phrase "intake camshaft" refers to a specific part of an engine. It is responsible for controlling the opening and closing of the intake valves, which allow air and fuel to enter the combustion chambers in the cylinders. Full definition
Ford gives credit for the increased engine power to variable intake camshaft timing and electronic throttle control, but there were other changes. (articles.orlandosentinel.com)
Adjusting range of intake camshafts is 51 °, exhaust ones is 21 °. (mywikimotors.com)
VVT - iE (Variable Valve Timing - intelligent by Electric motor) is a version of Dual VVT - i that uses an electrically operated actuator to adjust and maintain intake camshaft timing. (en.wikipedia.org)