Viper clutch

Yes: the fact the inner bolt circle is larger allowing a full size key is a plus .
The seperate bushing for the bell , i am not sure i like , but i do have two with that design.
 
Performance wise, all 2 disc clutches, I believe, are pretty much the same. If they can be set at peak torque, and they don't produce excessive amounts of heat (more than the other clutches) they're all going to perform pretty much the same. Where the difference comes in is in dependability. I have no idea whether your clutch is, or will be, as dependable as others. If it works for you, and is dependable, then it's as good as any other clutch on the market.

Remember; clutches are high maintenance items, don't let them get away from you, clean and adjust after every race.
 
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