This high-quality spark plug is a must-have for any gasoline engine. It is made by NGK, a trusted brand known for their durable and reliable products. This particular model, 3951, has a length of 14mm and is made in Japan. The plug is designed for easy installation and is sold in a quantity of 8. It is perfect for those looking to upgrade their ignition system and improve their car's performance. Don't settle for anything less than the best. Get your hands on this NGK spark plug today.