Advance Adapters GM TH350 to GM New Process 208 transfer case Adapter Kit (replacing 70
Advance Adapters GM TH350 to GM New Process 208 transfer case Adapter Kit (replacing 70
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Advance Adapter
The GM TH350 main shaft kit is used when replacing a 700R4 / 4L60 / 4L60E in GM full size truck applications using the NP208 / 241 series transfer cases. Once installed into the TH350, the output side of the TH350 looks identical to a 4WD 700R4 that is being replaced. The adapter kit includes adapter casting, new TH350 output shaft, transmission dust cover, new kickdown cable, o-ring, dipstick and adapter instructions.
Note: Driveline modifications will not be needed.
Transfer Case
The GM NP 208 / 241 transfer cases are chain driven units with a cast aluminum case. When originally coupled to the 700R the NP208 / 241 featured a 27 spline female input shaft, and were used in GM full size truck line-up in models years 1981-2000.
Transmission
This adapter kit is designed for exclusive use with the GM TH350 automatic transmission. This GM automatic was commonly found stock in vehicles from 1969-81. It was used in both pickups and car applications. The TH350 has aluminum, 1 piece case and is 21.5" in length.
