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0407 4wd Superior03 Z

<b>3.</b>  The vehicle in which we're installing the Superior kit had previously snapped one of its 30-spline 'shafts. Note the lower portion of the splines where the axleshaft began to twist before breaking under pressure.
Jeep TJ Dana 44 Axle Upgrade

3. The vehicle in which we're installing the Superior kit had previously snapped one of its 30-spline 'shafts. Note the lower portion of the splines where the axleshaft began to twist before breaking under pressure.  View Related Article