Advice on changing from stock 14 inch rims and spacing

Johnny Dart said
Rusty,
She has 14" full wheel hubcaps.
They will never fit a 15" wheels.

Maybe your thinking dog dishes ?
Dog dish caps will fit 14" & 15" wheels.

I did find one site that I could have them make a 15 that would accept the 14 inch but I'm looking more into how it's done and cost related