14X7 with 3 1/2” backspace and 15X8 1/2 with 5” backspace. The 14’s fit the discs thank goodness. But the backs will not work. But! I have a 68 Barracuda. They will work there for sure. I also have StuBBle. He has biiiiiiig hips. 15X7 with 4 1/2” backspace would be perfect back here.