These uniquely designed COMP Cams cam bearing installation tools are the best available to cleanly and precisely install or remove cam bearings in many engine blocks. With a diameter range of 1.125 in. to 2.690 in., these tools should handle any size of cam bearings that you may encounter. These kits feature a centering cone, an extension rod, and five expanding neoprene-covered mandrels to protect the inner surface of the bearings. All parts fit in the included plastic carrying case for easy storage.