To know if the Gen-Y Hitch Shock Absorbing 5th Wheel to Gooseneck Pin Box # GY58GR will be a compatible match with your 2012 Skyline Koala 27CDS fifth wheel you'll need to know the bolt pattern of the pin box you currently have on the trailer.
Typically there is a tag on the front or side of the pin box that has some serial numbers on it that we can look up to determine the bolt pattern, but this isn't always the case.
If you don't have a tag to go off of you can measure the bolts to... view full answer...