overhead camshaft


overhead camshaft

noun

  1. a camshaft in an automotive engine that is located in the cylinder head over the engine block rather than in the block. Abbreviation: OHC

noun

  1. a type of camshaft situated above the cylinder head in an internal-combustion engine. It is usually driven by a chain or a toothed belt from the crankshaft and the cams bear directly onto the valve stems or rocker arms

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