NGK MAR10A-J 4706 Spark Plug Copper Core MAR10AJ

The NGK MAR10A-J 4706 spark plug features a copper core for efficient heat transfer and strong conductivity, delivering consistent ignition and reliable performance in 14mm diameter engines. Designed to withstand high temperatures and maintain a stable arc, it helps reduce misfires and improve fuel efficiency across a variety of applications. This MAR10A-J variant is built for longevity, with resilient electrodes and robust sealing to resist fouling and corrosion. Ideal for everyday drivers and performance enthusiasts alike, it provides smooth idle, crisp throttle response, and dependable cold starts. Upgrade your ignition system with a plug designed to meet demanding automotive needs while maintaining optimal combustion efficiency.