NGK R6725-10 3342 Spark Plug Racing R672510

The NGK R6725-10 3342 Spark Plug is engineered for racing performance, delivering reliable ignition and consistent spark under extreme conditions. With a 14mm diameter and race-grade construction, this plug is designed to withstand high RPM, aggressive throttle, and demanding heat ranges. The R6725-10 specification supports efficient combustion, improved throttle response, and stable firing in performance engines, helping competitive riders and enthusiasts extract maximum power. Partnered with The Green Spark Plug Company, this plug combines NGK’s trusted reliability with enhanced durability, ensuring longevity in harsh environments. Whether tuned for sprint, drag, or circuit applications, it’s built to maintain strong casing integrity and predictable performance across varied tuning setups. Elevate ignition efficiency and engine potential with this high-performance racing spark plug.