This is the S0113 version of this kit which although listed for NA applications is suitable for T5 applications as well. I used this kit in an 850 T5 which produces 530Nm torque and no issues with slipping at all.
Only used for a couple of thousand K's cause I just can't deal with the change in start/stop driveability. Some people say they love their Spec clutches after getting used to them, some say that they will wear in after a few thousand K's.
The issue tends to be a limited amount of shuddering when moving away from stop. There's plenty of info out there on the subject. To be fair these really are designed for track related performance driving.
Replacement cost shipped from US is close to $700. I'm looking for $250. Item as pictured and does not include the thrust bearing. Thanks heaps!