Kadett B/C, Ascona A, Manta, Record C/D/E (21 teeth clutch disc)
Calibra 4×4, Vectra A 4×4, Omega A (21 teeth clutch plate)
Omega B, Senator (23 teeth clutch disc)
If you have any trouble with rear differential or Haldex on your Insignija 4×4, than you would be needing one of these sets. They are well proven and tested as we are only company in the world who makes them.