This part number is for "Ring Only", no hardware or bushings included. If you are replacing a Mercury HD gimbal ring you will need to buy the full gimbal ring kit 421-05-8033, this ring is a replacement for Imco Gimbal Rings that were installed previously, it will nor replace the factory Mercury gimbal ring by itself.
Now you can eliminate the weak link in your drive train and run without the
worry of mechanical failure. The Gimbal Ring gives your drive the strength
it needs. Gimbal Ring Kit Black (Mercury Gimbal) must be used with hydraulic steering
This is used to convert standard Bravo gimbal ring to the
HP gimbal ring and bell housing. Note: Trim limit switch can
not be used on HP gimbal ring do to the thickness of the
gimbal ring. You will need to get some mechanical indicators to
see the location of your drive.