## Denso IW31 Spark Plug (BR10EIX, B10EG, B10EGV) (NGK Racing R4304A-10) - Iridium Precision for Your Engine The Denso IW31 is a high-quality spark plug with an iridium center electrode, designed to provide optimal engine performance and reliability. Its advanced design and precise construction guarantee excellent operating parameters, contributing to smoother engine operation, better throttle response, and lower fuel consumption. ### Advanced Iridium Technology The iridium center electrode of the Denso IW31 spark plug is characterized by exceptional resistance to spark erosion. This allows the spark plug to maintain its properties for a longer time, ensuring a stable and strong spark. Compared to standard spark plugs, Denso's iridium technology offers twice the lifespan, which translates into tangible economic benefits. ### Excellent Operating Parameters The Denso IW31 spark plug (equivalent to NGK BR10EIX, B10EG, B10EGV and NGK Racing R4304A-10) provides optimal engine operating parameters, contributing to: * Smoother engine operation * Better throttle response * Lower fuel consumption * Increased power ### Technical Data: * Denso Code: IW31 * NGK Code: BR10EIX * Thread Diameter: 14mm * Thread Length: 19mm * Wrench Size: 21mm By choosing the Denso IW31 spark plug, you are investing in the reliability and performance of your engine.