mfactory

I want to buy the final drive gear that attaches to the differential. I need one to install the mFactory LSD, but since my original is unharmed it makes no sense to ruin it to install the other one. It is sometimes referred to as the ring gear.

I have an '01 ES 5-speed and will be rebuilding the tranny soon. I know the car is not powerful but i want to upgrade the diff while the tranny is out and apart for future plans of more power and track days. I was going to get the welded msp lsd until i found out about the Mfactory. I have...