The NGK Spark Plug CR8EH-9 is a top-grade, standard spark plug designed to meet the highest quality standards. It features a threaded connector, a hex size of 16mm, a thread diameter of 10mm, and a thread length of 12.7mm + 6.3mm. With an electrode gap of 0.9mm, it ensures optimal performance and reliability. Before purchasing, please verify the manufacturer's specifications to ensure compatibility with your engine. Perfect for various motor components, including spark plugs and water pumps, the NGK Spark Plug CR8EH-9 promises durability and efficiency for your technical needs.