I was looking into purchasing a new 3.9 final drive ratio set for my z and was wondering if any of yall could recomend any shops in the Houston area. I have been to 2 dealerships who have said no, and i took it to SGP racing and they said no as well due to the fact that it would take a long time to get the parts they need in order to put the set in my car. i was wondering if anyone is willing to do it for a fair price and is someone who is trustworthy in a way that they will not rip apart after a few thousand miles. if any of yall know of a place that is known around houston please tell me. thanks