Man some of you may recall when I explained how to setup a good clutch,holding up to double the power or more takes a few things, slipping while coming on pipe is one thing that's easily addressed but the damage that occur's from higher comp and clutch dump start's is far worse!The guide pins on these engines are mild steel and tend to bend when you have higher compression and do clutch dump start's then this elongates the holes in pressure plate and it wont disengage properly from hanging up on the bent guides.I've replaced those with hardened steel ones,replaced the stock spring with a 340 dodge valve spring at 360lbs and replaced the shear pin with hardened steel since I broke them with just to much preload on the stock spring,with the 360lb spring I have just over 5mm of the threads showing for preload.This with brake pads cut to fit works amazing and only slips if I want it to!The pressure plate being made of aluminum makes me think about those elongated holes and how much easier that would occur,It may not yet to be seen but I cant see this thickness of aluminum being harder than even the cheap china steel.