Not near the highest but I'm at 108k it got a 2.3 whipple at 103k.
Was about to post this.
The rest of the car will turn to a rotting pile before most 2v modulars will.
Not necessarily true, the machine shop I worked at in high school had the police contract and we had 2v's in all the time. Usually it was cams galling or cam keys breaking, which ended up bending a valve or three.
Friend of mine has a 93 Cobra with well over 200k; it was his DD from 93 until mid-late last year.