1.Certification: ISO/TS 16949:2002 ISO9001:2000 2.Type: general, extended crankcase,tunnel cylinder ... cylinder block, extended crankcase cylingder block, tunnel cylinder block;AudiCertificationISO/TS 16949:2002 ISO9001:2000Mercedes-BendzStructurecylinder walls, coolant passages, cylinder sleevesBMWmaterialsgrey cast ...