That should be the correct plate. Sounds like it’s standard now for that lock model so it fits the older and newer version couplers. I measured the previous fix that the tab was moved in too much and… (View Post)
I received their new solution to the plate yesterday and tested it today. It fits good now. You probably received the new plate, it’s probably works for all hitch versions that use the 2178-A. Proven… (View Post)
Before you order, call Proven to tell them you have the 2021 400 hitch and they will tell you the correct one. They are shipping me the solution now. Not sure if it will have a new model # or not. So… (View Post)