Originally Posted by Scooby
The silver one can easily be drilled out in a lathe to match the original black on as the transfer port on the black one is smaller than the allen key hole.
As Pete says the Silver port is very easy to drill out.
I was under the impression that the Silver port was 3mm. I opened mine out to 3.5mm. The Black port is 4mm.
All holes are smaller than the allen key location.