Soo… why do you give advice if it is not correct to begin with?
With a 25mm spacer they would fit rather well, and those can be had with studs on them, so extended studs would not be needed.
Furthermore, running an 8mm spacer with stock studs is NOT safe, it’s more like 2-3mm.
17x9+20 will rub without fender work even with ricer stretch tires, and you’re gonna have a HELL of a time making them fit with proper tire sizing.