INBOARD MOTOR MOUNTS.  these bolt to the stringers and the motor mounts and transmission mounts bolt to these.  these were removed from a 1990s ski supreme with a merc 5.7 and a velvet drive transmission.   every thing is in good working  condition. we only ship to the lower 48 states no  po boxes. please be sure these will fit your application.  Please ask any questions before you bid. Thanks for looking