When it comes to spark plugs, NGK is the World Leader. Makers of spark plugs for virtually every automotive, motorcycle, marine, industrial and small engine application, NGK dominates the world market. NGK is famous for the "V-Groove" spark-plug and the Iridium IX spark-plug NGK is also the original equipment for the majority of the world's auto manufacturers NGK Spark Plugs are world renowned for excellence & are designed to the highest standard. The fitment range is extensive, covering virtually all popular models. NGK Plugs are available in many variations including Standard, Resistor, Iridium & Platinum options – depending on model & OEM specification requirements.