Brand new bare 3rd member housings for the do it yourselfer. If you are replacing the R&P gears, bearings and installing a locker you can now minimize the down time be building the 3rd member first before tearing the axle apart. Sometimes when upgrading to lower R&P gears or just rebuild the 3rd member, a spun bearing race can prevent to job from being completed. Rebuild your 3rd member and a new replacement housing and rest assured.