Viper SRT10 rims on a 65 Barracuda?

So i want to use the Viper SRT10 rims on my barracuda, but im not sure how i can make it work. My car will be mini tubbed and rear end shortened, so fitment wont be an issue. What about bolt pattern? And one other thing. I want to somehow make the rims slightly wider so i can fit a wider tire on it in the rear. I also wanted to somehow put a 4 to 5'' backspacing on them. Would a custom fabricator be able to do all this? Let me know please!:coffee2: