Manufacturer's love to make it hard for anyone to swap out their pin box so we would need to see the tag for the pin box, which would have a serial number as well as the RPO number in order to determine the bolt pattern. This tag can typically be found on the side of the pin box or on the mounting ears that the pin box connects to. I've attached a picture from a different pin box below to show you an example of what it will look like.
if you can't find this tag then the next step would... view full answer...
From the top of the bracket of the MORryde X-Factor Dropdown Crossmember # MR84AR down to the top of the crossmember measures 4 inches. view full answer...