I'm not doubting you either, but I think pretty much all the aftermarket guys would use 28 spline as a production line item, and then possibly upgrade to 31 spines for more $$. I have bought stuff from P and J when it was really Pete and Jake, and also from the new company, and everything has been good so far. The logic is that 28 spines are really fine for most street applications, and that is the bulk of their market probably.

Please understand, you may be totally correct, but is there a slim chance you just read the catalog wrong?? If you can come up with a copy, as mentioned, that would cinch it IMO.

Don