hey guys only new to the ae86 just got my first one and cant be more impressed i do need to do a few things to iut though and ive searched this forum and cant find any thing i need a rear main for a 4agze i need a center bearing and a seal in the front of the diff near the yoke. dose any one know part numbers and roughly how much. my drive line consists of a t50 box and a t series rear end. thanks for any help guys and gals regards shaun