Speedmaster sale. It started

A little grinding will correct the flow restriction.
As with any offshore product, it takes a little detailing and blueprinting.
The savings and subpar quality is worth it to some.
What did you use to open it up some? An angle die grinder and short carbide bit? It seems like a tight fit to get any tooling in there.

I've already got a 'new' old 440source until and it's REALLY tight and with tiny water passages.