Hmm... lots of things to think about... just as a reference incase anybody in the future is in the same boat, here is the email I received from exedy today:

Hi Luke

Thank you for you inquire online via our website ..

Please find below the requested Torque & Kilowatt Ratings for the following kits to suit the 1997 Honda Integra B18C2 Engine – that you have turbocharged

HCK-7111HD ( Heavy Duty Kit – Sports Tuff Series ) Peak Torque Rating @ the engine/flywheel estimated 377nm & 190kw

HCK-7111HDCB ( Heavy Duty Cushion Button – Sports Tuff Series ) Peak Torque rating @ the engine / flywheel estimated 427nm & 216kw

HCK-7111SO ( Sports Organic – Single Sports Series Stage 1 Motorsport Kit ) Peak Torque rating @ the engine /flywheel estimated 403nm & 203kw

If your vehicle Peak torque or kilowatt at the engine / flywheel is greater then the following kits you have requested we would advise you to contact our distributor NPC Performance Clutches

They can modify the clamp rating eg: increase clamp or manufacture a custom kit so suit your requirements .



Kind Regards

Carlo

Thanks for all the advice everyone... now its time to save up a bit and do it right first time...