We do carry the recommended ball mount for he Curt trailer hitch # C11242 but it only includes the hardware for installation. The ball mount is # C45520 and the pin and clip is # F-4.
For compatible balls you can use # 19256 for a 1-7/8 inch diameter or # 19258 for a 2 inch diameter. For trailer wiring you can use # 119178KIT. I have included instruction links for you. view full answer...