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      05-05-2012, 07:52 PM   #6
hova00
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Drives: G80 M3C
Join Date: Apr 2008
Location: EAST COAST

iTrader: (7)

Here is a link to some info for you. Basically what it does is make the center bore of the rim match the hub diam.

http://www.justforwheels.com/index.jsp?cat=hubcentric
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