Do you hade the deep flywheel? (we here in Sweden often refer to it as "pottsvänghjul")
If you have the deep flywheel then they often use:
Volvo 740 turbo pressure plate (Sachs 3082 204 033)
and
Opel Calibra 228mm clutch disc (or VW 228mm sinter with 20,6x24 splines)
If you have the flat flywhell then they often use:
Saab 900 turbo 215mm pressure plate (Sachs 3082 100 142)
and
Original clutch disk (or VW 215mm sinter with 20,6x24 splines)