Originally Posted by Joe@ZSpeed

The older HR Stage 4 kits were rated lower as they did not put the additional clamp load on them as the new ones (trying to save stock slaves) Since our HD CSC came out we can put the heavier clamp load back on them without worrying about trashing the stock slave and is the reason the TQ rating is back to 600TQ.

Did you get your clutch from us?

Digi, I will send you a new disk if you like first to keep the downtime less, Just send me back the old one when you get it out.