IN/EX:EX D: 26.9 mm d: 6 mm L : 94.9 mm a :45° Head Style:CV Stem Groove:K GIEFFERef:3089 Motore:AQF/ AQG/ ARS Certification:IS09001, TS16949 Mark & Model:A6 4.2/ A8 3.7/ A8 4.2