NGK Spark Plug – ER9EH

The NGK Spark Plug – ER9EH is a NGK motorcycle part or accessory for the application identified below. The confirmed fitment, construction, package and product reference details are gathered here to help prevent an incorrect purchase.

Before ordering, compare the exact part reference, dimensions, motorcycle model and model year with the component being replaced or upgraded.

• The NGK ER9EH is a resistor-type spark plug in a colder heat range, aimed at high-revving and performance-oriented engines
• Resistor construction to suppress ignition interference
• Heat range 9 one of NGK’s colder ratings, suited to engines running high loads or high rpm
• Copper core centre electrode for rapid heat transfer
• Precision-machined threads and seat for correct sealing and torque
• Only fit if this exact code is specified for your machine heat range must match the engine