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How many spark plugs does a 6.4 HEMI have?

The internet says my truck has 16 spark plugs but I always thought it was one plug per cylinder. How many spark plugs does a 6.4 HEMI have?

Bonnie Stinson · Updated on Nov 30, 2022

Reviewed by Shannon Martin, Licensed Insurance Agent.

There are 16 spark plugs in a 6.4 HEMI.

Unlike most other V8s, the 6.4 HEMI V8 has 16 spark plugs. This gives you a cleaner burn, but it also means more work when it’s time to replace the plugs!

You can do the spark plug replacement yourself if you’d like to save some money.

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How to install a truck cap on your pickup

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