The Torque Solution coil pack adapters are made from high grade 6061 billet aluminum material. These are designed to allow you to run the upgraded FSI/TSI coilpacks and replace the failure prone 1.8t coils. Thus giving you the ability to run a larger spark gap for smoother idle and more power with no loss of spark. Each adapter is a perfect fit and will give your engine bay a new look. All hardware is included for a clean install.