4G0 616 005 D, 4G0616005D. For Audi A8 4H 2009-2017. For Audi A6, A7, A8, S6, S7, S8. For Audi A6 4G2, C7/4G2, C7, 4GC Saloon 2010-2016. For Audi A7 4GA/4GA, 4GF 2010-2016. It focuses on researching and developing various performance products, such as, high-performance racing car’s connecting rod, crankshaft, piston, suspension and air spring.
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