shifter cables

Howdy yall, So, im looking to find a good clutch master cylinder for the audi 01E. Looking for suggestions, already found a suggested alternative for the slave (4A0721261) but I can't find bore size or travel info. Anyone had luck with a master cylinder for this? Also been eyeing the linkage...

Questions from last night's wrench turning: 1. Shifter cables - the passenger side motor mount structure has these neat holes (see photo). Are they designed for the shifter cables to pass through? If so, which cable goes top/bottom, or perhaps it doesn't matter? 2. Shifter cable...