New Old Stock and hard to find. The product is a set of 8 Bosch CR-Electrode HR9BY spark plugs for a 1995 Mustang GT. These spark plugs are made in Germany by the reputable brand Bosch, known for producing high-quality automotive parts. Designed for gasoline engines, these spark plugs are essential components for ensuring optimal ignition performance in your vehicle. Upgrade your ignition system with this set of reliable and efficient spark plugs.