The Cometic Audi 2.5L 20v TFSI DAZA/DNWA .055 83.5mm Bore MLX Head Gasket is a high-performance gasket designed for the Audi 2.5L 20v TFSI engine. It is constructed from a multi-layer steel (MLX) material for superior sealing and durability. The gasket features a .055 thick bore, making it ideal for high-boost applications. It is designed to provide maximum performance and reliability when used in conjunction with high-performance cylinder head components.