I have a P1SC and want to up the boost with our new combo. Can someone tell me what size is the stock pulley for the 9lb kit and what increase the 3.55 and 3.60 might provide.
Al
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I have a P1SC and want to up the boost with our new combo. Can someone tell me what size is the stock pulley for the 9lb kit and what increase the 3.55 and 3.60 might provide.
Al
I think the 9 lb is 4.00"
Thanks Four eyed
Al