The NGK LZKR6B-10E Spark Plugs are a pack of 8 high-quality spark plugs designed for gasoline vehicles. With a gap of 1mm and a reach of 26.5mm, these spark plugs feature a nickel alloy material for durability and long-lasting performance. The 12mm thread diameter and standard configuration make them easy to install, while the manufacturer heat range of 600°C ensures optimal ignition for improved engine performance. Upgrade your vehicle with these vintage spark plugs that are both a performance part and backed by the trusted brand of NGK.