The shaft which carries the various cams required for the operation of inlet, exhaust, fuel, and starting-air valves.

Gear driven camshaft with multiple lobes operating the inlet valves on an engine.

See also: Cam, Exhaust Cam, Internal Combustion Engine, Overhead Cam, Poppet Valve, Rocker Arm, Timing Chain, Timing Gears, Valves, Valvetrain.

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Subjects: Engines