## NGK DR9EA (X27ESRU) Spark Plug - Reliability and Performance The NGK DR9EA (X27ESRU) spark plug guarantees reliable starting and optimal engine performance. Made of high-quality materials, it ensures long-lasting performance and contributes to reduced fuel consumption. ### Key Features: * **Center electrode material:** Nickel-lithium, ensuring long life and efficient combustion of the fuel-air mixture. * **Precise manufacturing:** Guarantees a perfect fit and trouble-free installation. * **Optimal spark:** Ensures quick and reliable engine starting in all conditions. ### Technical Parameters: * **NGK Code:** DR9EA * **Denso Code:** X27ESR-U, X27ESRU * **Thread diameter:** 12 mm * **Thread length:** 19 mm * **Wrench size:** 18 mm By choosing the NGK DR9EA (X27ESRU) spark plug, you are investing in quality and reliability, which translates into smooth and economical operation of your motorcycle.