Navistar chassis (GM 4500HD)
Reference: Dana Spicer AXIP-1000-32021March 2021
Dana 60 / Dana 61 / Dana Super 60 / M256 Differential Carrier 35 Spline 4.30 and Down (Loaded)
Dana 60 / Dana Super 60 / M256 Differential Open Carrier 4.30 and Down (Unloaded)