If you decide on an assembled ProRock 44 with a new differential or locker, the worth features the ring-and-pinion gearset, gear setup and put in kit, yoke and also the axle will arrive at you assembled. You have got to include the knuckles and brakes from your manufacturing unit axle. https://elliotmmbmt.wikitron.com/1018721/rumored_buzz_on_dana_m186_front_axle