Bought two of these for my 06 TJ Dana 30 diff. I installed a spartan lunch box locker, so I decided to replace the axle seals while I took the diff apart. I used a piece of pipe to puncture the old seals and clean the axle tubes as best I could. I deleted the seal area and then started to reinstall. As mentioned, they were *very* tight. I ended up having to get a little creative to install them. I put a gasket in the axle tube hole in the differential. Then I used a large coupler and placed itβ¦