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Advance Adapter
The Jeep / Scout Dana 20 were indexed to the transmission case by either a retainer housing or an index hub which was part of the stock transmission case. These transfer cases are classified as a large hole transfer cases, which measures 4” in diameter.
Our adapters require this indexing retainer to obtain proper alignment.
When utilizing this retainer a sealed 307 bearing (p/n 716302) must be used and is sold separately.
Note: Some Dana 18’s have a 4” diameter hole. They were generally found in the 1966-71 model Jeeps with the Buick 255 & T-14 or T-86 transmissions.
Required Options
716302 Dual Sealed Bearing.
