This device is made up of lobes that open and close the intake and exhaust valves, while syncing the timing with the pistons.
Answer Camshaft
The camshaft uses lobes to push against and open the engine valves as the shaft rotates. This process helps to control the fuel/air intake and is critical to engine performance.
Asked by DRay585 · Last updated 5 years ago · 10.2K views · SOURCE
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