Be aware fellas, if there tight going on they'll be tight coming off. You will need to strip them sometime to replace the seals etc and you will struggle to get the side off that sits in the cap. The advice says tap them on a table but in reality they dont come off if there on too tight. I rubbed my hex shafts down with some fine sand paper until they fitted nicely. You can get them perfect with time and patience, and down the line you'll kick yourselves if you dont. I ended up cutting one of my diff cases in half to get it apart which aint what you wanna be doin. Up to you in the end but its workin for me. Good luck boys.