What acts as a link between the cam follower and the rocker arm?

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Multiple Choice

What acts as a link between the cam follower and the rocker arm?

Explanation:
In a traditional pushrod (OHV) engine, motion from the camshaft is transferred up to the rocker arm through a rigid link called the pushrod. The cam follower (lifters) push on the pushrod, and the pushrod then drives the rocker arm to actuate the valve. The other components—the valve itself (poppet), the valve seat insert, and the valve spring—do not serve as a link between the cam follower and the rocker arm; they either form or return the valve or provide seating, but not the motion transfer between those two parts.

In a traditional pushrod (OHV) engine, motion from the camshaft is transferred up to the rocker arm through a rigid link called the pushrod. The cam follower (lifters) push on the pushrod, and the pushrod then drives the rocker arm to actuate the valve. The other components—the valve itself (poppet), the valve seat insert, and the valve spring—do not serve as a link between the cam follower and the rocker arm; they either form or return the valve or provide seating, but not the motion transfer between those two parts.

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