The core component of the valve system, the rocker arm shaft assembly (610800050156): Support the rocker arm and transmit the movement of the camshaft to the valve to ensure that the valve opens and closes in time. Structural design: Integrated rocker arm shaft, support and lubricating oil passage, suitable for double overhead camshaft (DOHC) or single overhead camshaft (SOHC) layout. Material: The shaft body is high-strength alloy steel (such as 20CrMnTi), surface hardening treatment (hardness HRC55-60), the support is cast iron or aluminum alloy.
