GZP Clutch hub BT98-07 except FXD06

Improved inner clutch hubs for the late 5 Speed Big Twin. Manufactured to tight tolerances from high grade aluminum alloy. The center is "cast-in" to stop it from coming loose. Available for Evolution Big Twin 1990-1997 as well as for 1998-1999 Evolution Big Twin and 1999-2006 Twin Cam.