TRANSFER CASE -New (updated) oem ring and pinion to start with a fresh contact surface -CNC machined case to square up the ring and pinion (fixes initial contact pattern issue these cars had from factory) -Low mileage ACD Assembly This includes clutch pack, end case, and middle ACD casing (mine was messed up as you will see in the two pictures below) -Shot peened ring and pinion -Isotropic super finishing of ring and pinion