Spark Plug 91185 Racing Plug Integral LKR (Long Reach)

【NGK R2556G-10 91185 Spark Plug Racing Plug Integrated LKR (Long Reach) Race Circuit Maintenance Repair Parts】
・For race or tuned engines!
・NGK racing spark plugs are special spark plugs designed for those who participate in racing or circuit driving, or those who have increased their engine's output through tuning.
・Choose the optimal racing spark plug for your car and aim for the best performance.
Specifications
・Center electrode: Iridium
・Outer electrode: Platinum
・Part number: R2556G-10
・Stock number: 91185
・Terminal shape: Integrated
・Type: LKR (Long Reach)
・Heat rating: 10
・Thread diameter: 12mm
・Thread length: 26.5mm
・Hex size: 16mm
Precautions
*The heat rating and firing end shape of racing plugs must be selected according to the engine's tuning level and driving conditions, so 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 be changed without prior notice. Please understand.