Spark Plug 97537 Racing Plug - Integrated Type LKAR (Long Reach)

[NGK R2558E-9 97537 Spark Plug Racing Plug Integrated LKAR (Long Reach) Race Circuit Maintenance Repair Parts]
・For race or tuned engines!
・NGK Racing Plugs are special spark plugs for those who race or drive on circuits, or who have increased engine output through tuning.
・Choose the optimal racing plug for your beloved car and aim for the best performance.
Specifications
・Center electrode: Iridium
・Outer electrode: Platinum
・Part number: R2558E-9
・Stock number: 97537
・Terminal shape: Integrated
・Type: LKAR (Long Reach)
・Heat range: 9
・Thread diameter: 12mm
・Thread reach: 26.5mm
・Hex size: 14mm
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 may change without prior notice. Please understand.