I have the stage two kit and it came with a 92mm pulley 8lbs and I did confirm the pulley 6bolt patterns are the same and that it is the 7 rib ...... And doing the math on the pulleys a 85 mm puts me at just over 90k at 7k rpm .... Which i think fits me best ..I don't like redlining the car and thus will get me boost earlier in the rpm range ... And if I'm doing the math right I should be around 10-11 lbs at 7k
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