1990 Audi 80 Quattro Submodel: Base; Engine: 2.3L L5;EngineVIN: C; Thread Size: M10 x 1 x 310; To Chassis/VIN 8A-L-030 000; 10 x 335 mm.; Position: Front Left;. 1990 Audi 80 Quattro Submodel: Base; Engine: 2.3L L5;EngineVIN: C; Thread Size: M10 x 1 x 310; To Chassis/VIN 8A-L-030 000; 10 x 335 mm.; Position: Front Right;.