I'm pretty sure they are different sizes. --Bryan On Mar 16, 2012, at 2:08 PM, wern3 at juno.com wrote: > hubcap questionI have the stock FC 14 inch steelies on my Rampy with the crome dog dishes on it.Is it possible to use the dog dishes from the 13 inch car wheels to fit this application?ThanksTim W '61 Rampy