[Outlet] Spark Plug Green Plug 1273

[NGK BCPR5E-11 Spark Plug Green Plug 1273 ngk bcpr5e-11-1273]
A 90° groove is machined into the center electrode, making it easier for sparks to jump.
Since the spark occurs from the outer circumference of the center electrode, the quenching effect of the electrode is reduced and ignitability is improved.
This improves performance during starting, idling, and acceleration.
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