I could only think that they would fit the same as any 20x8.5 with a +40 offset. I am currently running a 20x8.5 with a +40 offset. You will need 4x4 sheet metal on the front and rear. The fronts just do clear the fender when aired up, if you are running a drop spindle they are not going to fit. The rear I have a rear end out a mits raider cause its narrower. I talked to a guy who is running the same wheel as me and he has the stock Mazda rear and he said when he lays out the rear the top of the tire just hits the bed side but he is also bodydropped and I'm not. Hope that helps.