When you run a SubaruGears Transmission in a VW Type 1 Pan you need to be able to hook the factory shift tube up to the Subaru Shift Shaft. There are many ways you can do this one of which is with a SubaShifter.
The SubaShifter is based on a Factory Subaru Shift Linkage which has been modified to suit the new application of a VW Shift Tube. The below video shows you how it all works.
The benefit of a SubaShifter over a lot of other methods is that you can keep the factory style linkage with bushes and have a full adjustable shift tube to ensure you get the best shift arrangement as possible.
You will need to modify the factory shift tube to suit your required length