Put all your power to the ground! *​fits ratios of 3.15 and up*
Put all your power to the ground! *​fits ratios of 3.15 and up*
Convert your open differential to a locked differential without the costly expense of an limited-slip conversion.
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
Standard open differentials love to dump power to the wheel with the least amount of grip, leaving you spinning your tires out of corners, fighting traction control, and wasting horsepower.
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
07-06-2026