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|Electrode Tip Material:||Platinum|
|Thread Diameter:||14 mm|
|Wrench Diameter:||5/8 in|
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Q:what is the gap on these
A:Initial suggested settings for spark plug gaps are: Single plug : 0.028 - 0.032", Dual plug : 0.025 - 0.030". Spark plug gap should be made as small as possible, while still maintaining performance. A wide spark plug gap can cause hard cold starting, misfires during rich or lean fuel conditions, and reduction of upper rpm range.