Spark Plug, Green Plug 2087

[NGK BKR5EYA Spark Plug Green Plug 2087 ngk bkr5eya-2087]
A 90° groove is machined into the center electrode, making it easier for sparks to jump.
Because the spark occurs on the outer periphery of the center electrode, the electrode's flame-quenching effect is reduced, and ignitability is improved.
This improves performance during starting, idling, and acceleration.
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