hey mark its mike c do you have the stuff to rebuild the xxxtcr diff in stock if so can u put it aside for me for saturday also a set of the rpm ball cups thanks i took my diff apart to night and boy am i glad i did maybe 4 /5 laps left maybe before i spit the gear apart thanks and i had alot of fun and good job on driving that buggy around you deffental inproved thurw out the night