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NeuMaxx
Offline
Posts: 1,286
Join Date: May 2007
Location: Near New Orleans
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02.15.2009, 11:14 PM
The 3905 diffs are an improvment over the 3906 diffs. They are a sealed diff with an additional spider gear support, but the cup and case are still plastic.
Last edited by mkrusedc; 02.15.2009 at 11:18 PM.
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