It does say exclusive but as you noted it seems that they have the variator too. I look at that "racing" groove on that pully and examine the angle that the guide will hit the end of the groove at and it seems to me as though it would open further. How about it Jman. Does your pulley have two groove choices like the one on ebay?? I can't see any other way for it to increase top speed aside from allowing the belt more travel. I could definitely be wrong. Won't be the first time and it shoooooooow won't be da last.
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MXR TrailBender 160R
SYC Perf head P&P,Matched intake and exhaust, A12 cam, Orange CDI & coil, Motorio pulley, 115mm Variator and lightweight drive face,11gm Sliders, UNI, modded muffler + 200 horsepower 
http://www.youtube.com/watch?v=3hx-hEWl10c
I'll take your insults as compliments and blame it on your lack of intelligence.
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