NGK CR9EIX(3521) IRIDIUM IX SPARK PLUG
NGK CR9EIX(3521) IRIDIUM IX SPARK PLUG
The CR9EIX is an upgrade from stock NGK spark plug CR9EK
Scroll down to see the NGK CR9EIX Iridium IX Spark Plug fitment chart
For more NGK Watercraft Spark Plug options, check out our NGK PWC Fitment Chart