The NGK R7437-9 Racing Spark Plug (Part No. 4654) is a high-performance spark plug featuring a fine-wire iridium center electrode, pure alumina silicate ceramic insulator, and a heat range of 9, designed for high-temperature, high-horsepower racing applications to provide improved ignitability, durability, acceleration, and fuel efficiency.
$325.00
The NGK R7437-9 Racing Spark Plug (Part No. 4654) is a high-performance spark plug engineered for extreme racing conditions. It features a fine-wire iridium-tipped center electrode, enhancing ignitability and durability while reducing fouling. The pure alumina silicate ceramic insulator offers superior strength and improved heat transfer. Designed for high-temperature engines, its iridium construction ensures outstanding acceleration, fuel efficiency, and longevity. With a heat range of 9, it’s an excellent choice for high-horsepower applications requiring reliable performance under demanding conditions.
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