NGK Standard Spark Plug – CMR7H

NGK Standard Spark Plug – CMR7H

The NGK CMR7H Spark Plug is a premium quality spark plug widely used in RC petrol aircraft engines, including popular models from DLE, DA, GP, and other leading petrol engine manufacturers. NGK is the world’s leading spark plug brand, trusted for consistent ignition performance, long service life, and reliable cold-start capability in small petrol engines.

• Brand: NGK (Japan)
• Part Number: CMR7H
• Type: Standard spark plug with resistor (suppresses ignition interference)
• Thread Size: 10mm
• Heat Range: 7 (medium heat range – suitable for most RC petrol engine applications)
• Electrode: Standard copper core
• Application: RC petrol aircraft engines – commonly used in DLE, DA, GP, Zenoah, and similar small petrol engines
• Resistor: Yes – suppresses RF interference with RC receiver and ignition electronics

The spark plug of choice for RC petrol pilots worldwide — the NGK CMR7H delivers consistent, reliable ignition across a wide temperature range, with the built-in resistor ensuring clean RF suppression to protect your receiver and ignition module from interference.