Few updates to this thread.
Wheel studs
Here’s list of some Porsche wheel studs, diameter 14.70mm
40mm 901 341 671 01 Standard 964
45mm 904 341 671 00 Standard 994 < 94
45mm 993 331 671 01
50mm 928 341 671 01 Standard 928, Standard 993 > 94
50mm 928 341 671 02 Standard 928, Standard 964 Turbo
52mm 901 331 671 00
65mm 911 331 671 00
72mm 901 331 671 01 For S rear with 21mm spacer
Here are common Porsche wheel studs. I have (new) Fuchs wheels and use 12mm spacers at rear. Standard 964 or 993 studs have not enough thread:
I ended up ordering set of 65mm 911 331 671 00 studs that have best fit:
To remove studs, do not use hammer, press them out. To press in 65mm studs hand brakes needs to be partially disassembled:
Car with spacers (needs wash