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Why are there 2 spark plugs per cylinder on Dodge Ram 1500 5.7 hemi?

The Dodge Ram 1500 5.7L Hemi engine does *not* have two spark plugs per cylinder. It uses a single spark plug per cylinder. The misconception might arise from the Hemi's design featuring two spark plugs *per cylinder* in some other applications or from confusion with other engine technologies. The 5.7L Hemi in the Ram 1500 uses a more conventional single-plug ignition system.