Engineered for the most demanding conditions, the NGK 3442 Racing Plug R5673-9 is a testament to performance and reliability in racing applications. Specifically designed with special insulator nose configurations, this spark plug enhances throttle response, crucial for achieving peak engine performance on the track. Its corrugated ribs effectively prevent flashover, ensuring consistent and reliable ignition under high-stress conditions. The pure alumina silicate ceramic insulator not only provides exceptional mechanical strength but also facilitates superior heat transfer, contributing to optimized engine performance and longevity during intense racing sessions. Furthermore, the copper core of the R5673-9 plug aids in efficient heat dissipation, helping to maintain optimal operating temperatures under extreme loads. Equipped with triple seals, this spark plug offers secure sealing to prevent leakage, minimizing the risk of ignition issues and ensuring continuous performance throughout racing sessions. NGK's dedication to excellence and innovation shines through in the R5673-9 Racing Plug, making it the ideal choice for motorsports enthusiasts and professionals who demand uncompromising performance and durability from their spark plugs.

Part number: R5673-9