This product is a set of 5 14mm spark plug inserts with OE/OEM Part Number 111101451A, suitable for Volkswagen T1 Beetle, T2 Bus, T3, and Thing models. The spark plug inserts have a metallic finish and are designed for performance/custom applications. They are not classified as vintage parts and are compatible with a range of Volkswagen vehicles. These inserts provide a specific fitment for the mentioned Volkswagen models, ensuring proper spark plug performance and compatibility with the engine systems of these vehicles. Exact item set is shown. New old stock without original packaging. Unknown country of manufacture. No returns on installed items or partial sets. Please review our business policies in our store for information regarding returns, shipping and warranties.