:chicken: I chickened out, my fellow Boxster owners. :chicken:
I called Automotion and bought a set of H&R Trak+ Hubcentric 7mm spacers and 10-52mm lugs, and they'll be here tomorrow.
I cannot fathom getting into my boxster for a 4 hour trip on Friday afternoon and discovering I have a tire/rim rub issues along the way, nor can I fathom driving the trip with my old wheels!