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Upgrade your Honda Grom or Monkey with the NGK CR9E spark plug—engineered for reliable ignition, superior heat management, and long-lasting performance. This OEM-quality spark plug is the trusted choice for both stock and modified engines, delivering consistent performance in all riding conditions.
Why Choose NGK? NGK is the world's leading spark plug manufacturer, trusted by OEMs and performance enthusiasts worldwide. The CR9E delivers the reliability and performance your Honda Grom or Monkey deserves, whether you're commuting daily or pushing performance limits.