6 bolt to 4 bolt adapter with VSS for the 1997-Current GM 4L60E-4L65E Automatic Transmissions.
#6C4. This adapter makes it possible to install a 4 bolt tail housing on a late model 4L60E transmission. This adapter is 1 9/16 inches long. Comes with two holes and a plug to close off one hole. Adapter only, no bolts included.