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If you are referring to the 944 turbo torque tube, the 968 is different, as is the bellhousing to allow for the dual mass flywheel, you need a different solution for the clutch.
You can use a 968 tt, especially if you are going with 968 electronics of standalone EFI that uses 60-2 setup. The flywheel on a 968 is a 60-2 setup.
Raj