Originally Posted by 1slow370

if the entire case is missing you might have to grab a 350z manual differential and change the gears and stub shafts as nissan doesn't sell the case. that or find a 370z or g37 manual rear end. it wont matter whether or not it's sport package as they are the same except for the LSD. so basically any manual rear end (stub shafts and gears are needed if its off a 350 because the number of teeth is different for the abs and the gear ratio is different) and the sensors and vent tube + any mounts or bolts you may be missing