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How many spark plugs does a Hemi have?

I’ve been learning to do a little car maintenance on my own, but I’m still a beginner. I just bought a truck with a Hemi engine, and I’ve never worked on this engine type before. How many spark plugs does a Hemi have?

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Amber Reed · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
The exact amount of spark plugs you need for your Hemi depends on how many cylinders your engine has. But in general, most Hemi engines have two spark plugs per cylinder—so if we assume you have an eight-cylinder engine, for example, then you’ll need a total of 16 spark plugs for your vehicle.
If you’re not sure how many cylinders are in your truck’s Hemi, you can simply open the engine bay and check yourself, or look it up in your owner’s manual.
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