Years 1979-1980 1981-1983 1984-1988 1985-1988 1986-1987 1989-1995 Engine 20R 22R 22R 22RE 22RTE 22RE Model Carburated Carburated Carburated Fuel Injected Turbo Fuel Injected Fuel Injected Shift Style Top Shift Top Shift Forward Shift Top Shift Forward Shift Forward Shift Spline Type 21-spline 21-spline 21-spline 21-spline 23-spline 21-spline please note: 89-95 22RE(G58) forward shift chain drive transfercase 26-spline will not accept our adapter or gear set. Call for more info. Shift Style Differences Spline Type Differences V6 Applications Close this window