It includes the half shafts but not the CV joints. When you do the CV joint upgrade they include the fused stubshafts. What they do is machine a groove around the stub shaft to create a weak point, that way if anything is to fail it will be the stub shaft. These can be changed in minutes iof/when they fail rather than having to strip out the axle if a half shaft gives up. There is a spare stub shaft supplied with every conversion kit.