Looking to convert to gooseneck...

[angelic0-]

I am looking to convert my 28" United Class-IV hitch trailer to a gooseneck...

Are there any special places where i would buy the gooseneck or should i simply have one built :?:

This is the exact trim i have...
Elliotts Trailers and Golf Carts

 

[dieselbeef]

i did this try hammerdown trlrs and see if they still sell em....i bought mine used