I have a couple of them. You need passenger's side so that's RH threads. Now, keep in mind the drums are swedged onto the hubs, so it will have to be drum and all, unless you want mt to remove the drum. Then you will have to remove your drum and install it on the "new" hub. It's not hard. I use a 5/8 hole saw and a drill press. You cut completely through the drum around each stud and the drum will fall off.