BOSCH supplied the world's first high-voltage ignition system in 1902 and has continued to supply superior ignition wire sets. State-of-the-art manufacturing technology and quality control systems ensure that BOSCH Premium Wire Sets meet, and often exceed, the performance of the original equipment wire sets that they replace. That's true for all of the components, including the wire set boots and connectors. This BOSCH Spark Plug Wire Set is essential to your Volkswagen restoration.