I have a set of 12 bolt 4.56 pro gears for sale. 41 teeth ring, 9 pinion. We’re in a stocker LT1 car. I purchased to put in my car but did not. Was told 6 passes. And switch to 4.88 which is the box these are in. No name on gears. Was told Richmond. I can’t say as I’m no expert. But had since 2016. 140 plus ride
