Duane,
Contact Richard at North Race Cars in Missouri.
richard@northracecars.com or 816-436-1610
He is kind of a wheel fitment guru with the FFR cars. One other thing, is your buddy's car a MkI, II, III or IV?
Joe
PS, if you keep the longer arms for geometry, you will have other issues when you start moving the mounting points and don't change the steering rack etc... Is he just going for looks or does he need 275s in the front? Just something to think about.