Wilwood clarified this statement to a mutual customer of ours by stating that this reference is in regards to "sustained pressure".
We have not heard of any problems arising from running this combo - if anybody was going to blow this combo up, it definitely would have been Freiburger while severly punishing the HotRod magazine Project F-Bomb! Dare we say that he has certified this combo? No, but if he couldn't blow it up...
http://www.hotrod.com/projectbuild/f...on/shocks.html
Here's another grossly overpowered and wildly flogged build running this combo:
https://www.youtube.com/watch?v=8T2e0hwlw80
Matt Delaney and John Clark from Mopar Performance are also guys that "break stuff" - they have been trying like mad and still can't fail this package either.
Now let the attorneys go run around with this one, right?