MUGEN MBX6 MBX7 BLACK QUICK CHANGE MOTOR ADAPTERS (2) THIS 2 PIECES MOUNT TO THE MOTOR. HAVE ADDITIONAL OF THESE UNITS ON HAND TO ALLOW SWITCHING BETWEEN MOTORS. REQUIRES QUICK CHANGE MOTOR BASE #12311 *** INCLUDED WITH ITEM *** 2 - TOP MOTOR MOUNTS MISC. FASTENERS