There have been 2 removed.

The leftover 8 are brand new.

The Bosch WR9FC Super Spark Plugs 8 Pack is a set of high-quality spark plugs designed for car and truck engines. With a copper core material and manufactured in Germany by Bosch, these spark plugs are known for their reliability and efficiency. The super spark plugs are designed to provide optimal performance and long-lasting durability, making them a great choice for ignition systems and components. Perfect for car enthusiasts looking to enhance their vehicle's performance, the Bosch WR9FC spark plugs are a top choice for those seeking quality and dependability.