Originally Posted by MrHorsepowerLSx

FWIW 1/2 ton transfer cases use the larger 32 spline output shaft, the same shaft size as a stock 4l80 output shaft. Also there are not many different slip yokes that GM uses, just different lengths

OP did you use the 80e transfer case as well or the 60e case? If so the shaft should work

Originally Posted by TurboJohn6

All of the drivetrain in my truck is the original stuff.