please please i need all help i can get, drive train mopar chrysler 8.25 27 spline 10 bolt gears

Have question. i have a 23t bucket with a chrysler rear end housing number 2852905 having trouble finding right parts for. it has a chrysler housing number 2852905. says its a 8.25 with 10 bolt 27 spline. has a 271 gear . i am wanting a 373 or hair higher. i ordered the gear and pinion and...
Check with Dr. Diff for rear gears.