NGK MAR9B-JDS 1316 Spark Plug Copper Core MAR9BJDS

NGK MAR9B-JDS 1316 spark plug features a durable copper core for excellent conductivity and a robust center electrode, delivering reliable ignition across a range of engines. Designed with a 10mm thread diameter, it installs easily in compatible ignition systems and provides consistent firing even under demanding conditions. The MAR9B-JDS variant from NGK is engineered for steady performance, reduced fouling, and efficient heat dissipation, helping to improve throttle response and fuel efficiency. Built to withstand vibration and high temperature environments, this plug maintains stable spark during acceleration and steady idle. Ideal for small to mid-size engines and performance applications where dependable ignition matters, it pairs well with modern coil systems and supports long service intervals. Partner: The Green Spark Plug Company backs genuine parts and quality assurance.