lsd rebuild kit
 

found it.

mazdatrix.com ftw

Download the FSM, it covers how to rebuild it and check the clutch plates and such. Go to the dealer and order the parts you need.

yeah ima see what ima do. i bought it off a guy on the forum and i want to see what he wants to do about it.. i pegged legged up a drive way today .. i feel like i'm on my open still.. i cant even do a donut it locks up for like .3seconds and then it just opens