The Bosch Iridium Spark Plugs 9604 are high-quality ignition components designed for vehicles. With the OE/OEM Part Number FR7LII33X and Manufacturer Part Number 9604, these spark plugs ensure reliable performance and durability. As a trusted brand like Bosch, you can trust that these spark plugs will provide the necessary spark for optimal engine function. Upgrade your car or truck with these new spark plugs to enhance ignition efficiency and overall engine performance.