The NGK Spark Plug – CR9EH-9 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 CR9EH-9 is a 10mm resistor spark plug aimed at high-performance, high-revving sportsbike engines
• Supplied pre-gapped and ready to go straight in
• 10mm thread size for modern multi-cylinder performance engines
• Resistor type (R) to protect ignition components and on-board electronics from interference
• Heat range 9 a cold plug matched to sustained high-rpm use
• Copper-cored centre electrode for rapid heat transfer under load
• Pre-set 0.9mm electrode gap, as shown by the -9 suffix
• Always cross-check the plug code against your bike’s original fitment