I have a passenger side patch panel . I'll have to look at it because someone cut some pieces out at the very bottom , below the lowest body line. Do you definetely need it all the way to the bottom?
Check into American Racing Outlaw wheels. We have a pair that are 15x8 , I'm just not sure if they were 3.5 or 3.75 backspace. They are the "cheap" Centerlines.