Originally Posted by JWillis72

That was on the 928 bearings but Topgunz spoke to Vortech the other day and they said 928 is wrong, the oiling design doesn't allow it to spin more than 53,000. That's why Vortech doesn't offer it with better bearings. If you just change the supercharger pulley to a 3" and nothing else you are at 51,750 at 7,500 rpm.