Years Engine Model Shift Style Spline Type
1979-1980 20R Carb Top Shift 21-spline
1981-1983 22R Carb Top Shift 21-spline
1984-1988 22R Carb Forward Shift 21-spline
1985-1988 22RE EFI Top Shift 21-spline
1986-1987 22RTE EFI/Turbo Forward Shift 23-spline
1989-1995 22RE EFI Forward Shift 21-spline
89-95 22RE(G58) forward shift chain drive transfercase 26-spline will not accept adapters or gear sets. These are 22RE/4X4 Models with 5 spd and ADD.