AAM 9.25" 2014 - Current Ram 2500 / 3500 Front Axle Loaded Open Differential Carrier
GM 10.5" 14 Bolt Full Spool Forged Chromoly 40 Spline 4.10 and Down
GM 10.5" 14 Bolt Spicer Full Spool Forged Chromoly 30 Spline 4.10 and Down