Originally Posted by 05wkguy
Lots of guys running them without issue. Spidertrax seems to be the most popular however i purchased a set of off-brand from ebay. Most important aspect is the hubcentric feature (holds the spacer perfectly center on the wheel hub). I haven't had any issues but you must use some kind of thread locker on the bolts.
I got mine from ebay as well... CJBargins is the guy you want.
Have mine for over a year now, love them! Just ALWAYS make sure you use a torque wrench when you re-install your wheels... 90ft/lbs.