► Each cylinder is equipped with 2 intake valves and 2 exhaust valves. Intake and exhaust efficiency has been increased due to the larger total port areas.
► The valves are directly opened and closed by 2 camshafts.
► The intake and exhaust camshafts are driven by a chain. The VVT-i system used for the intake camshaft is used to increase fuel economy, engine performance and reduce exhaust emissions.
► The shimless type valve lifter is used.
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