The NGK (1406) DILKAR7B11 Laser Iridium Spark Plug is a set of 4 high-quality spark plugs designed for car and truck ignition systems. Made with nickel material, these spark plugs provide reliable performance and longevity. The laser iridium technology ensures a consistent and strong spark for optimal engine efficiency. Compatible with the interchange part number DILKAR7B11, these spark plugs meet or exceed OE specifications for a perfect fit and dependable operation. Ideal for vehicle maintenance and replacement, the NGK spark plugs are a trusted choice for car and truck owners looking to improve their ignition system.