???? Corrugated insulator ribs prevent flashover and misfires. Resistor: Yes. ???? Copper core improves thermal conductivity and spark efficiency. Thread Size: 14mm. ???? Nickel alloy electrode resists fouling and wear.
2 Pack NGK Spark Plug - For John Deere Lawn Tractor D125 M78543
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2 Pack NGK Spark Plug - For John Deere Lawn Tractor LA120 M78543
2 Pack NGK Spark Plug - For John Deere Lawn Tractor LT180 M78543
