Variable Valve Lift Apparatus

摘要

A variable valve lift apparatus may include a control shaft slidably disposed within a camshaft, a cam which is slidably disposed to the camshaft and a high lift cam lobe and a low lift cam lobe is formed thereto, a valve opening/closing unit contacting the cam and a control portion which moves the cam for the high lift cam lobe or the low lift cam lobe selectively to contact the valve opening/closing unit according to operation of the control shaft.