This 10-stud Clutch Hub Puller will allow you to remove 3, 5, and 10 finger clutch hubs on 1941 -1984 Big Twins without removing the transmission end cover, and 1971 - early 84 XL Sportster models. This puller allows you to remove the hub without removing the transmission end cover on big twin models. It can be used on late 1984 - 1990 models by enlarging a few of the holes.