Home made tool to make sure the casings are perfectly aligned. There's a factory mandrel that fits into the bore of the IMS bearing (not the imfamous one, but on the other side, by the oil pump) and holds the case halves aligned.
Pulling out the tool.
The newer Boxsters differ from the base model regarding this circlip. The base model has a simple circlip, while the newer version has a lug that needs to be installed in a specific position making the whole proces a bit more difficult.
Boxster
Threaded Mode
