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      11-11-2010, 04:52 PM   #12
Brosef
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Drives: F90 M5
Join Date: Aug 2009
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Quote:
Originally Posted by ranger22 View Post
Maybe I am a little slow here, but what is the distinction between the P40 and P40S. What exactly differentiates them?
the P40S is lighter weight. if you look closely at the spokes, you can see that they milled out some extra material. that's what those grooves are.
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