Advance Adapters has just released the super short 4L60E to Atlas 4 speed transfer case adapter assembly. The adapter is only 1.625" in length and includes a GM VSS kit incorporated within. This adapter assembly is for exclusive use with the late model 4L60E with a removable bell housing and includes a new 300M billet output shaft. Included is a heavy-duty transmission mount that bolts to their adapter housing.