Spark Plug 4999 Racing Plug Integral Type

[NGK R7239-9 4999 Spark Plug Racing Plug Integral Type Race Circuit Maintenance Repair Parts]
・For racing and tuned-up engines!
・NGK racing plugs are special spark plugs for those who participate in races or circuit driving, or who have increased engine output through tuning.
・Choose the optimal racing plug for your car and aim for the best performance.
Specifications
・Part number: R7239-9
・Stock number: 4999
・Terminal type: Integral type
Precautions
*The heat range and firing end shape of racing plugs must be selected according to the engine's tuning level and driving conditions. Please make your selection at your own discretion and responsibility. Please note that we are not responsible for any engine or plug problems that may arise as a result.
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*Images are for illustration purposes only, and the design and specifications of the products shown are subject to change without notice. Thank you for your understanding.