That unique diamond shape isn’t just different, it’s why the plug works better. Our DiamondFire ground design reshapes the spark so it ignites faster, burns cleaner, and creates a fuller flame front. The result is better efficiency and stronger performance every time you start your engine. | E3 Spark Plugs
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That unique diamond shape isn’t just different, it’s why the plug works better. Our DiamondFire ground design reshapes the spark so it ignites faster, burns cleaner, and creates a fuller flame front. The result is better efficiency and stronger performance every time you start your engine. | E3 Spark Plugs
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