i had a set of Pro275s a few years ago . Massively out of balance needed like 200grams . Ran them unbalanced initially and thought wheel was coming off , low 11s car . Talked to MT and they were returned and refunded

Tex

New best ET 10.259@129.65 .
New best MPH 130.32
Finally fitted a solid cam,
stepped it up a bit more
3690lbs through the mufflers
New World block 3780lbs 10.278@130.80 . Wowser 10.253@130.24 footbraking from 1500rpm
Power by Tex's Automotive