气门摇臂，摇臂轴，摇臂总成，气门导管，凸轮轴盖。
Rocker arm, Rocker arm shaft, Rocker assembly, Valve guide tube, Camshaft bearing Cap.
与阀盖倾斜了，您可以看到单一的架空凸轮轴和阀门。
With the valve cover tilted up you can see the single overhead CAM shaft and valves.
安装凸轮轴室盖。
另外，GM表示新引擎将是“同级之中其中一款最宁静及最精细引擎”，因为新引擎采用一个静音进气歧管盖及倒齿式凸轮轴链条。
Gm also says the mill will be "one of the quietest and most refined engines in the segment" because of an acoustic intake manifold cover and inverted-tooth camshaft chains.
另外，GM表示新引擎将是“同级之中其中一款最宁静及最精细引擎”，因为新引擎采用一个静音进气歧管盖及倒齿式凸轮轴链条。
Gm also says the mill will be "one of the quietest and most refined engines in the segment" because of an acoustic intake manifold cover and inverted-tooth camshaft chains.
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