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TH400 X NP208 T/C(REPL.700R-4)

SKU: 50-7000
$712.72
excluding shipping
GM TH400 to GM New Process 208 transfer case Adapter Kit (replacing 700R trans)86 and newer short foot
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Advance Adapter

The GM TH400 main shaft kit is used when replacing a 700R4 in GM full size truck applications using the NP208 / 241 series transfer cases. Once installed into the TH400, the output side of the TH400 looks identical to a 4WD 700R4 that is being replaced. The adapter kit includes adapter casting, new TH400 output shaft, transmission dust cover, TH400 gasket, o-ring, dipstick and adapter instructions. 1986 and newer kit that has the short foot on the casting.

Transfer Case

The GM NP 208 / 241 transfer cases are chain driven units with a cast aluminum case.

Transmission

This adapter kit is designed for exclusive use with the 4WD GM TH400 automatic transmission. The TH400 has a case length of 24.250" and a "Texas-shaped" oil pan underneath it. The factory output shaft has a spline count of 32 spline and had various output stick-out lengths.

Note: Our adapter kit includes a new TH400 output shaft that must be installed into the transmission.

Products specifications
Transmissions GM TH400 Automatic 4 Wheel Drive GM 1965-1986
Transmissions GM TH400 Automatic 2 Wheel Drive GM 1965-1986
Transfer Cases GM New Process 241 (27 Spline Input)
Transfer Cases GM New Process 208 (27 Spline Input)
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