A rocker arm is one component of the cylinder head in the car. This component is also often referred to as the valve trigger or templar. As the name implies, this component is located on the cylinder head section.

More specifically, the rocker arm is located on a shaft on the cylinder head section. The shaft is the connecting part between the camshaft and the valve. Seeing the position of this component as a connector, the valve trigger function is indeed very vital.

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