A lever that transmits the action of the cam, usually by means of a push rod, to the stem of the intake or exhaust valve, sometimes also to the starting-air valve and fuel valve.
The rocker arm highlighted on a Bentley BR.1 Rotary engine.
Adjustable Rocker Arm
A type of rocker arm with an adjusting nut that can be tightened or loosened to adjust the valve to rocker arm gap.
Subjects: Mechanical Engineering