Suspension reference point
(The picture is taken on the right side of the car.)
Also a starting point for the collars front and rear on PSS10's for ROW sport height with 18" wheels would be really helpful if anyone has it.
Thanks!
https://rennlist.com/forums/993-foru...-height-2.html
There is also a link in this thread to another
its another bolt that is to the right of that, more outboard of the car
here:

the face of that bolt is where you measure
you can identify the bolt because it goes up and into the outer end of the large chassis cross member pretty much in line with the edge of the arch


