Anyone heard of this product?? whats it meant to do.. ??

http://www.altaminiperformance.com/p...Altanator.html

 

The idea is to slow the rotation of the alternator. In theory to help prevent the alternator from being run to hard. Alta seems to of come out with this pulley after the supercharger and crank pullies probaly when it was needed.

I haven't heard of anyone installing it yet.