2.7L V6 biturbo connecting rod bearing shells for series or upgrade steel connecting rods. These cups are designed to understand high engine performance. Longer engine life thanks to personal coatings. The multiple coating improves the heat treatment and includes the adhesion between the bearings and the connecting rod. The bearing shells are heard as follows: Lead, tin, copper coating Nickel plating Copper lead coating hardened steel back Additional reasons: High strength despite reduced thickness Enlarged ID chamfers on the bearing edges The bearing shells can only be installed with the RS4 connecting rods. Only in this combination the bearings can also be installed in the other (see under) 2.7L V6 engines. Audi V6 2.7L biturbo with engine code AZB, AGB, AJK, AZA, ARE, BES, ASJ Manufacturer Information about the manufacturer BAR-TEK BAR-TEK Motorsport GmbH Im Rauschen Auel 3, 51491 Overath-Brombach, Germany info@bar-tek.com