The Bosch Super 7556 FR7DCX spark plugs are a vintage part made of copper, suitable for gasoline vehicles. With a thread diameter of 14mm and an installation depth of 19mm, these standard configuration spark plugs are manufactured in Germany and have a voltage of 12V. The 6-piece set is compatible with Saab 9000, Volvo V40, and XC70 models, providing reliable ignition performance. Made by the trusted brand Bosch, these spark plugs offer quality and long-lasting functionality for your vehicle. Exact item set is shown. Vintage new old stock spark plugs with original packaging in fair condition. Boxes may have a musty odor from storage. 1.1mm electrode gap, M14 x 1.25 thread, 19mm thread length. Set weight 9 oz. Made in Germany. No returns on installed items or partial sets. Please review our business policies in our store for information regarding returns, shipping and warranties. Most items have 30-day returns along with free fast shipping in 1 business day (see details). Message us anytime. Buy from a trusted 16+ year seller!