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NGK Racing Series Spark Plug R7438-9 with Alumina Silicate Ceramic, Box of 4 (4656)

$610.88

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NGK Racing Series Spark Plug R7438-9 with Alumina Silicate Ceramic, Box of 4 (4656)

$610.88

$610.88

NGK Racing spark plugs are engineered to withstand the extreme temperatures and high combustion pressures of competitive racing. Designed for maximum durability and consistent ignitability, the R7438-9 series utilizes specialized center electrode configurations to ensure reliable spark delivery under grueling track conditions.

  • Trivalent Metal Plating: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal.
  • Pure Alumina Silicate Ceramic Insulator: Provides high dielectric strength and efficient heat transfer to manage extreme thermal loads.
  • Insulator Nose Configuration: Specialized designs improve throttle response and prevent fouling in high-performance applications.
  • Copper Core: Aids in rapid heat removal to prevent pre-ignition and electrode melting.
  • Corrugated Ribs: Prevents flashover to ensure the spark reaches the combustion chamber.
  • Triple Seals: Eliminates combustion gas leakage for consistent cylinder compression.
  • Manufacturer Part Number: 4656
  • Model Number: R7438-9
  • Quantity: Box of 4

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