Take it from the 8-3/4 forward, kind of: Cass at DoctorDiff (all new) nodular 489 with Eaton TrueTrac and 3.91, 1350 forged yoke, 30 spline 5 x 4.5" loaded axles with 2" studs. Cass will be providing me with a new 1350 driveshaft once I get him the length. Rear drums ditched for disc conversion...