The issue is how its fit on both cars -I think it's the EP82 axle where the bush fits into a sleeve and then welded in place, whereas the EP91 has a slightly lip which locates the bush. The bushes vary somewhat, as I've had a nightmare of a problem regarding the installing of bushes in axles; I think I installed an EP82 one into the EP91 one, and it just came loose. Welded the bush in, nada.