These are 8j and 9j?

205/40 front and 215/40 on the rear will do the job after some rolling, you might even get away with a 5mm spacer on the rear if you get the right amount of -camber.

Just buy plastic spigot rings, you be mad to weld them on for the sake of 10euro you might be left with a hard job getting the wheels back off!!!!!

Also worth noteing when it comes to tyres some stretch more/less then others

Like the look of them, just don't love the look of them, you need to be VERY low to pull it off...