This listing is for TWO Inner Cam Bearings used on Twin Cam 88s. These are the only cam bearings you should use for your Big Twin. These are made in the United States by Timken which acquired Torrington in 2003. The bearings offered are the B-148, which are suitable for Big Twins. May be used on 1999-2006 Twin Cams, except for 2006 Dyna.