Guys im looking to do front hubs on my truck(owned it for four years and haven't done them yet) i seem to having a hard time finding the right ones I saw moog makes front hubs but Amazon said there not compatible with my truck but are compatible with a 2500 single wheel. If I'm correct I have to take the spacer off change the hub and put spacer back on correct? Part number for the moog hub is 515058 any one know if this is compatible?