This shaft seal is used to seal the crankshaft in the engine block on the transmission side. Suitable for all 2.7L Biturbo engines. Attention: The seal is not reusable and should always be renewed with. Manufacturer Information about the manufacturer BAR-TEK BAR-TEK Motorsport GmbH Im Rauschen Auel 3, 51491 Overath-Brombach, Germany info@bar-tek.com