Karmann & after market wheels

Hi, wondering if anyone can assist on this one.

I have a standard '68 Ghia and about to pop Porsche 2L replica wheels on. Offset looks ok but question is I take it I can fit without modifying suspension? VW Heritage tell me it’s ok. FYI, thinking of popping 165/65/15s on front and 185/65/15s on the rear.

If anyone’s got an insight, would be appreciated.

Thanks, Alan.

Alan have replica porsche 2l wheels on my ghia. I will need to check but pretty sure i actually have narrower up front and possibly also 60 profile for stance.
I’m in Dalkeith, happy if you want to take a look. I also have spacer plates on the rears…