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March 4, 2014, 4:50 a.m.
3/4/2014
By Mike Garrison
LiveRC.com
XRAY has just released the all-new ball differential kit for the popular XB4 series buggy. XRAY calls this a “must have” option for the XB4 & XB4 2WD, as the ball differential increases traction and is recommended for low-traction tracks.
The complete factory pre-assembled ball-differential features premium HUDY Spring Steel diff outdrives and screw for external adjustment, tough composite crown gear, high-performance bearings, high-quality carbide axial thrust bearing, heavy-duty diff washers, and ceramic 2.4mm diff balls.
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