I have a OS twin plate in my 31 coupe ..
The 31 race car has a extreme 9 button n holds up well with 338hp , its had no issues n competed in clasic challenge , dutton rally with 2 drivers n handled 1.7 60fts at drags , also run same clutch in my mates GTS 2 r31 and his wife drives it with no hassles ( her daily is auto )