Advance Adapters GM TH400 to NP203 / 205 27 Spline Transfer Case Adapter
Note: This adapter assembly requires a TH350 4wd housing and TH350 coupler!! The kit is designed to replace a TH350 automatic and adapt the GM TH400 to a NP203 / 205 transfer case. Advance Adapters' adapter plate bolts directly to the back of the TH400 and is .590" in length. The adapter plate is used in-conjunction with the original GM TH350 NP203 / 205 adapter housing and coupler. The adapter kit includes a new 27 spline TH400 output shaft, adapter plate, linkage rod, bracket, brake yoke & pin, freeze plug, o-ring, fastening hardware, and adapter instructions. Transfer Case GM New Process 203 / 205 (27 Spline Input) The NP203 originally coupled to a TH350 has a female 27 spline input. This full-time, cast iron case is made up of 4 housings. It is a chain-driven case with a front housing using helical cut gears offer a 2 to 1 gear ratio. This assembly was used in 1971-79 vehicles. The NP205 originally coupled to a TH350 has a male 27 spline input. The NP205 is a part time, cast